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+# probability_logic — Per-Term Decoder (Tier-Categorized)
+
+**Source:** `conductor/tracks/video_analysis_probability_logic_20260621/report.md` (1046 LOC)
+**Output:** This file is the **per-term decoder** organized by **tier** (per pilot process improvement #2), not by math section. Each entry has the 1-line etymology + 1-line definition history + form anchor.
+**Method:** Per `lexicon.md` §2 (the 4 tiers, 72 terms) + §3 (the 6 noise-dedup maps) + §5 (form-anchor rule) + §6 (etymology rule).
+**Date:** 2026-06-23
+
+> **Reading guide.** This is the **per-term decoder** for every term in the probability_logic Pass 1 report that required de-obfuscation. The terms are organized into 4 tiers:
+>
+> - **Tier 1: Core concepts** — the foundational type-theoretic primitives + the constructive type theory operators (12 terms from `lexicon.md` §2.1).
+> - **Tier 2: Data-oriented pipeline** — the data-oriented + constructive type theory operators (18 terms from `lexicon.md` §2.2).
+> - **Tier 3: Type-theoretic primitives** — the constructive type theory (Per Martin-Löf tradition) operators (18 terms from `lexicon.md` §2.3).
+> - **Tier 4: AI-fuzzing tolerance** — the principled re-encodings + user-specific forms (24 terms from `lexicon.md` §2.4).
+>
+> Per pilot process improvement #2, the principled/user-also-accepted split is explicit at the structural level (by tier, not by math section).
+>
+> Each entry has:
+> - **Original notation:** the Pass 1 form
+> - **Re-encoded:** the principled re-encoded form (per `lexicon.md` §2)
+> - **Form anchor:** the bounded form + projection (per Rule 2)
+> - **Etymology (1-line):** the origin
+> - **Definition history (1-line):** the first formalization
+> - **Source sections in original:** the Pass 1 §X.Y references
+> - **Cluster cross-ref:** the warmup's cluster sub-report that documents the pattern
+>
+> **For the side-by-side table:** see `probability_logic_translation.md` (38 rows).
+> **For the re-encoded report:** see `probability_logic_deobfuscated.md`.
+
+---
+
+## Tier 1: Core concepts (12 terms from `lexicon.md` §2.1)
+
+The foundational type-theoretic primitives + the constructive type theory operators. These are scheme-canonical.
+
+### Term: `set` (concept of a set of propositions)
+
+- **Original notation:** `P : Set`, `X ⊆ P` (set of propositions in the lattice; per §5.4)
+- **Re-encoded:** `P : kind` (per Tier 1 #1.1)
+- **Form anchor:** `kind` (bounded form) → `T` (projection; the type ascription)
+- **Etymology (1-line):** Old English *cynd* ("kind, sort, nature")
+- **Definition history (1-line):** First formalized as a type-theoretic primitive in Per Martin-Löf 1975 ("An intuitionistic theory of types")
+- **Source sections in original:** §5.3, §5.4, §5.13
+- **Cluster cross-ref:** Cluster 0, 4
+
+### Term: `∀` (universal quantifier over propositions)
+
+- **Original notation:** `∀x ∈ X: P(x)` (per §5.4)
+- **Re-encoded:** `forall x : X, P(x) : Prop` (per Tier 1 #1.2)
+- **Form anchor:** `forall` (bounded form) → `T -> Prop` (projection; the dependent type)
+- **Etymology (1-line):** Latin *pro omnibus* ("for all")
+- **Definition history (1-line):** First formalized in Frege 1879 (Begriffsschrift); constructive form in Martin-Löf 1975
+- **Source sections in original:** §5.4, §5.13
+- **Cluster cross-ref:** Cluster 2, 4
+
+### Term: `∃` (existential quantifier over propositions)
+
+- **Original notation:** `exists x : X such that P(x)` (per §5.13 for sum over hypothesis)
+- **Re-encoded:** `exists x : X, P(x) : Prop` (per Tier 1 #1.3)
+- **Form anchor:** `exists` (bounded form) → `T -> Prop` (projection)
+- **Etymology (1-line):** Latin *existere* ("to stand out, to be")
+- **Definition history (1-line):** First formalized in Frege 1879; constructive form in Martin-Löf 1975
+- **Source sections in original:** §5.12, §5.13, §5.14
+- **Cluster cross-ref:** Cluster 4
+
+### Term: `∧` (logical conjunction / meet)
+
+- **Original notation:** `a ∧ b` (per §5.2, §5.4)
+- **Re-encoded:** `and(a, b) : Prop` (per Tier 1 #1.4)
+- **Form anchor:** `and` (bounded form) → `Prop -> Prop -> Prop` (projection)
+- **Etymology (1-line):** Old English *and*
+- **Definition history (1-line):** First formalized in Boole 1847; modern symbol in Peano 1888
+- **Source sections in original:** §5.2, §5.4, §5.6, §5.13
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `∨` (logical disjunction / join)
+
+- **Original notation:** `a ∨ b` (per §5.2, §5.4, §5.9)
+- **Re-encoded:** `or(a, b) : Prop` (per Tier 1 #1.5)
+- **Form anchor:** `or` (bounded form) → `Prop -> Prop -> Prop` (projection)
+- **Etymology (1-line):** Old English *or*
+- **Definition history (1-line):** First formalized in Boole 1847; modern symbol in Peano 1888
+- **Source sections in original:** §5.2, §5.4, §5.9, §5.13
+- **Cluster cross-ref:** Standard
+
+### Term: `¬` (logical negation / complement)
+
+- **Original notation:** `¬a` (per §5.2, §5.4 for Boolean lattice complement)
+- **Re-encoded:** `not(a) : Prop` (per Tier 1 #1.6)
+- **Form anchor:** `not` (bounded form) → `Prop -> Prop` (projection)
+- **Etymology (1-line):** Latin *non*
+- **Definition history (1-line):** First formalized in Boole 1847; modern constructive form in Martin-Löf
+- **Source sections in original:** §5.2, §5.4
+- **Cluster cross-ref:** Standard
+
+### Term: `→` (implication)
+
+- **Original notation:** `a → b` (per §5.2, §5.4)
+- **Re-encoded:** `implies(a, b) : Prop` (per Tier 1 #1.7)
+- **Form anchor:** `implies` (bounded form) → `Prop -> Prop -> Prop` (projection)
+- **Etymology (1-line):** Latin *implicare* ("to involve")
+- **Definition history (1-line):** First formalized in Philo of Megara (3rd c. BC); modern constructive form in Heyting 1930
+- **Source sections in original:** §5.2, §5.4
+- **Cluster cross-ref:** Standard
+
+### Term: `∈` (membership)
+
+- **Original notation:** `x ∈ X` (per §5.4, §5.13)
+- **Re-encoded:** `x : X` (with `: T` type ascription; per Tier 1 #1.8)
+- **Form anchor:** `in` (bounded form) → `: T` (projection; the type ascription)
+- **Etymology (1-line):** Latin *in*
+- **Definition history (1-line):** First formalized in Peano 1889 (with the `∈` symbol); constructive replacement is type ascription
+- **Source sections in original:** §5.4, §5.13
+- **Cluster cross-ref:** Cluster 2
+
+### Term: `⊆` (subset / subkind)
+
+- **Original notation:** `X ⊆ Y` (per §5.8, §5.4)
+- **Re-encoded:** `subkind(X, Y) : Prop` (per Tier 1 #1.9; user coinage)
+- **Form anchor:** `subkind` (bounded form) → `Kind -> Kind -> Prop` (projection)
+- **Etymology (1-line):** User coinage (sub-set as sub-kind)
+- **Definition history (1-line):** User-specific; the constructive reading of set inclusion as sub-type
+- **Source sections in original:** §5.4, §5.8
+- **Cluster cross-ref:** Cluster 0
+
+### Term: `⊥` (Bottom — empty type)
+
+- **Original notation:** `a ∧ b = bottom` (disjoint events; per §5.4, §5.9)
+- **Re-encoded:** `meet(a, b) == Bottom : Prop` (per Tier 1 #1.10)
+- **Form anchor:** `Bottom` (bounded form) → `Type` (projection; the empty type)
+- **Etymology (1-line):** Greek *βύσμα* via *boussomai* ("to stop up")
+- **Definition history (1-line):** First formalized in Martin-Löf 1975 (the empty type)
+- **Source sections in original:** §5.4, §5.6, §5.9
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Notion` (ἔννοια)
+
+- **Original notation:** "Concept" / "Notion" (per §2.2-2.3 for propositions and lattice elements)
+- **Re-encoded:** `concept : type` (per Tier 1 #1.11; user-also-accepted)
+- **Form anchor:** `concept` (bounded form) → `Type` (projection)
+- **Etymology (1-line):** Greek *ἔννοια* ("having in mind"); the user's preferred form
+- **Definition history (1-line):** Per Cluster 7, `Notiones.txt` line 78; the user's working definition
+- **Source sections in original:** §2.2, §2.3
+- **Cluster cross-ref:** Cluster 7
+
+### Term: `Boundary/Term` (ὅρος)
+
+- **Original notation:** "Definition" / "Boundary" (per §5.4 for lattice axioms)
+- **Re-encoded:** `definitio : type` (per Tier 1 #1.12; user-also-accepted)
+- **Form anchor:** `definitio` (bounded form) → `Type` (projection)
+- **Etymology (1-line):** Greek *ὅρος* ("boundary, term, definition"); Latin *definitio*
+- **Definition history (1-line):** Per Cluster 7, `Notiones.txt`; the user's preferred form for "definition" as a type-theoretic primitive
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 7
+
+---
+
+## Tier 2: Data-oriented pipeline (18 terms from `lexicon.md` §2.2)
+
+The data-oriented + constructive type theory operators.
+
+### Term: `function` (mathematical function)
+
+- **Original notation:** `f : X -> Y`, `procedure f (x : X) -> Y : body` (per §5 throughout)
+- **Re-encoded:** `procedure f (x : X) -> Y : body` (per Tier 2 #2.1; per Functions=Procedures Map 3)
+- **Form anchor:** `procedure` (bounded form) → `(arg) -> result` (projection)
+- **Etymology (1-line):** Latin *procedere* ("to proceed")
+- **Definition history (1-line):** First formalized in Church 1932 (lambda calculus); the procedure form is the concatenative reading
+- **Source sections in original:** §5.4, §5.6, §5.7
+- **Cluster cross-ref:** Cluster 2, 4
+
+### Term: `parameter` (function parameter)
+
+- **Original notation:** `f(x)`, `f(x, y)` (per §5.6, §5.10)
+- **Re-encoded:** `argument` (per Tier 2 #2.2)
+- **Form anchor:** `argument` (bounded form) → `T` (projection; the argument type)
+- **Etymology (1-line):** Latin *argumentum* ("proof, evidence")
+- **Definition history (1-line):** First formalized in Frege 1879; modern type-theoretic form is argument
+- **Source sections in original:** §5.6, §5.10
+- **Cluster cross-ref:** Cluster 2, 4
+
+### Term: `return value` (procedure's output)
+
+- **Original notation:** `return x`, `result : float64` (per §5.1, §5.5)
+- **Re-encoded:** `result` (or `this`) (per Tier 2 #2.3)
+- **Form anchor:** `result` (bounded form) → `T` (projection)
+- **Etymology (1-line):** Latin *resultare* ("to spring back")
+- **Definition history (1-line):** Standard in mathematics and programming; the user's preferred term
+- **Source sections in original:** §5.1, §5.5
+- **Cluster cross-ref:** Cluster 2
+
+### Term: `definition` (of a type)
+
+- **Original notation:** "Lattice = Poset where ∨ and ∧ exist" (per §5.4)
+- **Re-encoded:** `formation` (per Tier 2 #2.4)
+- **Form anchor:** `formation` (bounded form) → `Type` (projection; the type's existence rule)
+- **Etymology (1-line):** Latin *formatio* ("a forming")
+- **Definition history (1-line):** First formalized in Martin-Löf 1975 (the formation rule per Tier 3)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `input` (function input)
+
+- **Original notation:** `f(x)`, `input : X` (per §5.4, §5.6)
+- **Re-encoded:** `arg` (per Tier 2 #2.5)
+- **Form anchor:** `arg` (bounded form) → `T` (projection)
+- **Etymology (1-line):** English (abbreviation of "argument")
+- **Definition history (1-line):** Programming convention
+- **Source sections in original:** §5.4, §5.6
+- **Cluster cross-ref:** Cluster 4
+
+### Term: `equation` (mathematical equation)
+
+- **Original notation:** `=` (per §5 throughout)
+- **Re-encoded:** `relation` (per Tier 2 #2.6)
+- **Form anchor:** `relation` (bounded form) → `T -> T -> Prop` (projection)
+- **Etymology (1-line):** Latin *relatio* ("a carrying back")
+- **Definition history (1-line):** First formalized in Tarski 1941; modern type-theoretic form is relation
+- **Source sections in original:** §5.4, §5.8
+- **Cluster cross-ref:** Cluster 2
+
+### Term: `property` (of an element)
+
+- **Original notation:** "is upper bound", "is join", "is disjoint" (per §5.4)
+- **Re-encoded:** `property` (per Tier 2 #2.7)
+- **Form anchor:** `property` (bounded form) → `T -> Prop` (projection)
+- **Etymology (1-line):** Latin *proprietas* ("a peculiarity")
+- **Definition history (1-line):** Standard mathematical term
+- **Source sections in original:** §5.4, §5.6, §5.9
+- **Cluster cross-ref:** Cluster 2
+
+### Term: `lemma` / `corollary` (auxiliary claim)
+
+- **Original notation:** Not directly used (the lecture is informal); would apply to "Jeffreys' critique" or "Symmetry 1"
+- **Re-encoded:** `claim` (per Tier 2 #2.8; user-also-accepted; collapse both per Cluster 9)
+- **Form anchor:** `claim` (bounded form) → `Prop` (projection)
+- **Etymology (1-line):** User coinage (collapse both per Cluster 9, Pattern 14)
+- **Definition history (1-line):** User-specific; the constructive reading of "lemma" and "corollary" as claims
+- **Source sections in original:** §2.1, §2.5 (Jeffreys critique, Symmetry 1-5)
+- **Cluster cross-ref:** Cluster 9, Pattern 14
+
+### Term: `proof` (of a theorem)
+
+- **Original notation:** "construction", "derivation" (per §5 throughout for derivations of rules)
+- **Re-encoded:** `construction` (per Tier 2 #2.9; per Curry-Howard Map 1)
+- **Form anchor:** `construction` (bounded form) → `T : Prop` (projection)
+- **Etymology (1-line):** Latin *constructio* ("a building")
+- **Definition history (1-line):** Curry-Howard 1969 (proofs as programs); the user's preferred form
+- **Source sections in original:** §5.6-5.12
+- **Cluster cross-ref:** Cluster 0, 7
+
+### Term: `witness` (proof witness)
+
+- **Original notation:** "specific coin flip", "burglary example" (per §1 for the policeman example)
+- **Re-encoded:** `instance` (per Tier 2 #2.10)
+- **Form anchor:** `instance` (bounded form) → `T` (projection)
+- **Etymology (1-line):** Latin *instantia* ("presence")
+- **Definition history (1-line):** Standard constructive logic; the term "witness" formalized in Heyting 1930
+- **Source sections in original:** §1, §2.1
+- **Cluster cross-ref:** Cluster 4
+
+### Term: `Attribute` (attributus)
+
+- **Original notation:** "context", "context dilution" (per §2.7 for context)
+- **Re-encoded:** `attribute` (extrinsic; per Tier 2 #2.11; user-also-accepted)
+- **Form anchor:** `attribute` (bounded form) → `T -> Prop` (projection)
+- **Etymology (1-line):** Latin *attributus* ("assigned to")
+- **Definition history (1-line):** Per Cluster 7, `Notiones.txt`; the user's preferred form
+- **Source sections in original:** §2.7
+- **Cluster cross-ref:** Cluster 7
+
+### Term: `Property` (proprietas)
+
+- **Original notation:** "plausibility", "context dilution" (per §2.7)
+- **Re-encoded:** `property` (intrinsic; per Tier 2 #2.12; user-also-accepted)
+- **Form anchor:** `property` (bounded form) → `T -> Prop` (projection)
+- **Etymology (1-line):** Latin *proprietas* ("a peculiarity")
+- **Definition history (1-line):** Per Cluster 7; the user's preferred form for intrinsic property
+- **Source sections in original:** §2.7
+- **Cluster cross-ref:** Cluster 7
+
+### Term: `Type/Genus` (γένος)
+
+- **Original notation:** `BooleanLattice : kind`, `DistributiveLattice : kind` (per §5.4)
+- **Re-encoded:** `kind` (sense 8; per Tier 2 #2.13; user-also-accepted)
+- **Form anchor:** `kind` (bounded form) → `Kind` (projection; meta-type)
+- **Etymology (1-line):** Greek *γένος* ("race, kind"); Latin *genus*; Sanskrit *जनस्* (*janas*, "race, origin")
+- **Definition history (1-line):** Per Cluster 7, `Notiones.txt`; 4-language pattern
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 7
+
+### Term: `static declaration` (type declaration)
+
+- **Original notation:** `Poset : kind`, `Lattice : kind` (per §5.4 for type definitions)
+- **Re-encoded:** `static { }` (per Tier 2 #2.14)
+- **Form anchor:** `static { }` (bounded form) → declaration block (projection)
+- **Etymology (1-line):** User coinage (Cluster 6, 9); the static/exe partition
+- **Definition history (1-line):** Per Cluster 9; Sectored Language V1 convention
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 6, 9
+
+### Term: `execution block` (procedure body)
+
+- **Original notation:** `procedure f (x : X) -> Y : body` (per §5 throughout)
+- **Re-encoded:** `exe { }` (per Tier 2 #2.15)
+- **Form anchor:** `exe { }` (bounded form) → execution block (projection)
+- **Etymology (1-line):** User coinage (Cluster 6, 9); the static/exe partition
+- **Definition history (1-line):** Per Cluster 9; Sectored Language V1 convention
+- **Source sections in original:** §5 throughout
+- **Cluster cross-ref:** Cluster 6, 9
+
+### Term: `meta-programming` (code generation)
+
+- **Original notation:** Not directly used in this lecture; would apply to a probabilistic programming language implementation
+- **Re-encoded:** `CodeSector` (per Tier 2 #2.16)
+- **Form anchor:** `CodeSector` (bounded form) → type (projection)
+- **Etymology (1-line):** User coinage (Cluster 9, P14)
+- **Definition history (1-line):** Per Cluster 9; Sectored Language V1 meta-programming
+- **Source sections in original:** §7 (open questions mention probabilistic programming)
+- **Cluster cross-ref:** Cluster 9, P14
+
+### Term: `import alias` (Haskell-style alias)
+
+- **Original notation:** Not directly used; would apply if importing from cluster cross-references
+- **Re-encoded:** `using` (Haskell-style; per Tier 2 #2.17)
+- **Form anchor:** `using` (bounded form) → alias declaration (projection)
+- **Etymology (1-line):** User coinage (Cluster 9, P15)
+- **Definition history (1-line):** Haskell convention; per Cluster 9
+- **Source sections in original:** §6 (cross-references)
+- **Cluster cross-ref:** Cluster 9, P15
+
+### Term: `assertion` (figure reference)
+
+- **Original notation:** "see Figure N.N" (per §5.4 for lattice diagrams)
+- **Re-encoded:** `'figure 1.9' ... assert -> ... = ...` (per Tier 2 #2.18)
+- **Form anchor:** assertion (bounded form) → equation (projection)
+- **Etymology (1-line):** User coinage (Cluster 9, P16)
+- **Definition history (1-line):** Per Cluster 9; Sectored Language V1 assertion convention
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 9, P16
+
+---
+
+## Tier 3: Type-theoretic primitives (18 terms from `lexicon.md` §2.3)
+
+The constructive type theory (Per Martin-Löf tradition) operators.
+
+### Term: `Type` (the meta-type)
+
+- **Original notation:** `Lattice : kind`, `DistributiveLattice : kind` (per §5.4)
+- **Re-encoded:** `kind` (per Tier 3 #3.1; same as Tier 1 #1.1)
+- **Form anchor:** `kind` (bounded form) → `Kind` (projection)
+- **Etymology (1-line):** Old English *cynd* (also Tier 1 #1.1)
+- **Definition history (1-line):** Per Martin-Löf 1975 (the meta-type `Kind`)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Type of types`
+
+- **Original notation:** Not directly used; would apply to "Kind" meta-meta-type
+- **Re-encoded:** `Kind` (per Tier 3 #3.2)
+- **Form anchor:** `Kind` (bounded form) → `Type` (projection)
+- **Etymology (1-line):** Old English *cynd* + meta
+- **Definition history (1-line):** Per Martin-Löf 1975
+- **Source sections in original:** §5.4 (implicit)
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Constructor` (type constructor)
+
+- **Original notation:** `Lattice : kind where Poset and join/meet exist` (per §5.4)
+- **Re-encoded:** `intro` / `construct` (per Tier 3 #3.3)
+- **Form anchor:** `intro` (bounded form) → `T -> T` (projection)
+- **Etymology (1-line):** Latin *introductio* ("a leading in")
+- **Definition history (1-line):** Per Martin-Löf 1975 (introduction rule)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Eliminator` (type eliminator)
+
+- **Original notation:** `procedure join (X : Set[P]) : P where ...` (per §5.4)
+- **Re-encoded:** `elim` / `eliminate` (per Tier 3 #3.4)
+- **Form anchor:** `elim` (bounded form) → `(T, C) -> C` (projection)
+- **Etymology (1-line):** Latin *eliminatio* ("a driving out")
+- **Definition history (1-line):** Per Martin-Löf 1975 (elimination rule)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Computation rule` (value-level)
+
+- **Original notation:** The β-reduction for join: `join(a, b) = a ∨ b` (per §5.4)
+- **Re-encoded:** `comp` (per Tier 3 #3.5)
+- **Form anchor:** `comp` (bounded form) → β-reduction (projection)
+- **Etymology (1-line):** Latin *computatio* ("a reckoning")
+- **Definition history (1-line):** Per Martin-Löf 1975 (computation rule)
+- **Source sections in original:** §5.4, §5.15
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Type-level Computation`
+
+- **Original notation:** `getType(Lattice) === kind` (implicit in §5.4 type definitions)
+- **Re-encoded:** `getType(...) === T` (per Tier 3 #3.6)
+- **Form anchor:** `getType` (bounded form) → type check (projection)
+- **Etymology (1-line):** User coinage (Cluster 3, P4)
+- **Definition history (1-line):** Per Cluster 3, Pattern 4; the type-correctness computation
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3, P4
+
+### Term: `Uniqueness rule`
+
+- **Original notation:** "The least upper bound" (per §5.4)
+- **Re-encoded:** `uniq` (per Tier 3 #3.7)
+- **Form anchor:** `uniq` (bounded form) → canonical form (projection)
+- **Etymology (1-line):** Latin *unicitas* ("oneness")
+- **Definition history (1-line):** Per Martin-Löf 1975 (uniqueness rule)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Formation`
+
+- **Original notation:** `Lattice : kind where Poset` (per §5.4)
+- **Re-encoded:** `formation` (per Tier 3 #3.8)
+- **Form anchor:** `formation` (bounded form) → `T : type` (projection)
+- **Etymology (1-line):** Latin *formatio*
+- **Definition history (1-line):** Per Martin-Löf 1975 (formation rule)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Introduction`
+
+- **Original notation:** `join : P -> P -> P` (per §5.4)
+- **Re-encoded:** `intro` (per Tier 3 #3.9)
+- **Form anchor:** `intro` (bounded form) → value constructor (projection)
+- **Etymology (1-line):** Latin *introductio*
+- **Definition history (1-line):** Per Martin-Löf 1975 (introduction rule)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Bottom` (empty type)
+
+- **Original notation:** `a ∧ b = bottom` (disjoint events; per §5.4, §5.9)
+- **Re-encoded:** `Bottom` (per Tier 3 #3.10; same as Tier 1 #1.10)
+- **Form anchor:** `Bottom` (bounded form) → empty type (projection)
+- **Etymology (1-line):** Greek *βύσμα* (also Tier 1 #1.10)
+- **Definition history (1-line):** Per Martin-Löf 1975
+- **Source sections in original:** §5.4, §5.9
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Top` (universal type)
+
+- **Original notation:** `a ∨ ¬a = top` (per §5.4 for Boolean lattice)
+- **Re-encoded:** `Top` (per Tier 3 #3.11; to be defined per `lexicon.md` §10)
+- **Form anchor:** `Top` (bounded form) → universal type (projection)
+- **Etymology (1-line):** Greek *τόπος* via Latin *topos* ("place")
+- **Definition history (1-line):** Per Martin-Löf 1975 (the universal type, dual of Bottom)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Phase 1, `lexicon.md` §10
+
+### Term: `Pair` (Sigma type)
+
+- **Original notation:** `(P, ≤)` (per §5.4 for poset)
+- **Re-encoded:** `Pair<P, Q>` with `Build<P>`, `Build<Q>` projections (per Tier 3 #3.12)
+- **Form anchor:** `Pair<P, Q>` (bounded form) → product type (projection)
+- **Etymology (1-line):** Latin *par* ("equal")
+- **Definition history (1-line):** Per Martin-Löf 1975 (the Sigma type)
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3, P1
+
+### Term: `Pair constructor`
+
+- **Original notation:** `(P, ≤)` (per §5.4)
+- **Re-encoded:** `<P, le>` (per Tier 3 #3.13)
+- **Form anchor:** `<M, N>` (bounded form) → pair construction (projection)
+- **Etymology (1-line):** Mathematical notation
+- **Definition history (1-line):** Per Martin-Löf 1975
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3, P1
+
+### Term: `Dependent Function` (Pi type)
+
+- **Original notation:** `forall x : X, P(x) : Prop` (per §5.4)
+- **Re-encoded:** `Dependent<x : X>(P)` (per Tier 3 #3.14)
+- **Form anchor:** `Dependent<x : A>(B)` (bounded form) → Pi type (projection)
+- **Etymology (1-line):** User coinage (Cluster 3, P1)
+- **Definition history (1-line):** Per Martin-Löf 1975 (the Pi type)
+- **Source sections in original:** §5.4, §5.13
+- **Cluster cross-ref:** Cluster 3, P1
+
+### Term: `Lambda`
+
+- **Original notation:** `lambda x. M` (per §5 implicit)
+- **Re-encoded:** `lambda.x.M` (per Tier 3 #3.15)
+- **Form anchor:** `lambda.x.M` (bounded form) → function abstraction (projection)
+- **Etymology (1-line):** Greek letter *λ* (Church's notation)
+- **Definition history (1-line):** Church 1932 (lambda calculus)
+- **Source sections in original:** §5 implicit
+- **Cluster cross-ref:** Cluster 3, P1
+
+### Term: `objects :` (carrier declaration)
+
+- **Original notation:** `Poset : kind where P : kind, le : P -> P -> Prop` (per §5.4)
+- **Re-encoded:** `objects : P : kind, le : P -> P -> Prop ;` (per Tier 3 #3.16)
+- **Form anchor:** `objects :` (bounded form) → field declaration (projection)
+- **Etymology (1-line):** User coinage (Cluster 3, P6)
+- **Definition history (1-line):** Per Cluster 3, Pattern 6; the carrier declaration syntax
+- **Source sections in original:** §5.4
+- **Cluster cross-ref:** Cluster 3, P6
+
+### Term: `Sum` (Disjoint Sum)
+
+- **Original notation:** `a ∨ b` (per §5 throughout)
+- **Re-encoded:** `a + b` with `inl`/`inr` injections (per Tier 3 #3.17)
+- **Form anchor:** `A + B` (bounded form) → sum type (projection)
+- **Etymology (1-line):** Latin *summa*
+- **Definition history (1-line):** Per Martin-Löf 1975 (the disjoint sum type)
+- **Source sections in original:** §5.2, §5.4, §5.9
+- **Cluster cross-ref:** Cluster 3
+
+### Term: `Sum elimination` (BNF)
+
+- **Original notation:** Pattern matching on `or(a, b)` (implicit)
+- **Re-encoded:** `match(M, N, O)` (per Tier 3 #3.18)
+- **Form anchor:** `match` (bounded form) → case analysis (projection)
+- **Etymology (1-line):** User coinage (Cluster 3, P1)
+- **Definition history (1-line):** Per Cluster 3, Pattern 1
+- **Source sections in original:** §5 implicit
+- **Cluster cross-ref:** Cluster 3, P1
+
+---
+
+## Tier 4: AI-fuzzing tolerance (24 terms from `lexicon.md` §2.4)
+
+The principled re-encodings + user-specific forms. This is where the AI-fuzzing tolerance is most needed.
+
+### Term: "invent" (the verb)
+
+- **Original notation:** "we invent a new function" (per §5 implicit)
+- **Re-encoded:** `construct` (per Tier 4 #4.1; per Map 5 invent→construct)
+- **Form anchor:** `construct` (bounded form) → procedure (projection)
+- **Etymology (1-line):** Latin *constructio*
+- **Definition history (1-line):** Constructive mathematics tradition (Brouwer, Martin-Löf); the user's preferred verb
+- **Source sections in original:** §5 throughout (implicit)
+- **Cluster cross-ref:** Cluster 0
+
+### Term: "real number" (a value)
+
+- **Original notation:** `Plausibility : float64` (per §5.1)
+- **Re-encoded:** `quantity(<value>) : <encoding>` (e.g., `quantity(0.5) : float64`; per Tier 4 #4.2)
+- **Form anchor:** `quantity` (bounded form) → `<encoding>` (projection)
+- **Etymology (1-line):** Latin *quantitas*
+- **Definition history (1-line):** Per Map 6 number=quantity; the user-preferred form
+- **Source sections in original:** §5.1, §5.5, §5.6
+- **Cluster cross-ref:** Cluster 0, 8
+
+### Term: "imaginary number"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `bivector (with scalar multiplier)` (per Tier 4 #4.3; user-also-accepted)
+- **Form anchor:** `bivector` (bounded form) → grade-2 element (projection)
+- **Etymology (1-line):** Latin *bi-* + *vector* ("two-carrier")
+- **Definition history (1-line):** Per Cluster 0, Pattern 2; the GA reinterpretation
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0, 8
+
+### Term: "function" (in math context)
+
+- **Original notation:** `f : X -> Y`, `procedure f (x : X) -> Y : body` (per §5 throughout)
+- **Re-encoded:** `procedure` (per Tier 4 #4.4; user-also-accepted: `transform`)
+- **Form anchor:** `procedure` (bounded form) → `(arg) -> result` (projection)
+- **Etymology (1-line):** Latin *procedere* / *transformare*
+- **Definition history (1-line):** Per Map 3 Functions=Procedures
+- **Source sections in original:** §5 throughout
+- **Cluster cross-ref:** Cluster 2
+
+### Term: "magic" (in code)
+
+- **Original notation:** Not directly used; would apply to "intuition pump" comments in code
+- **Re-encoded:** `unboxed` (the boxed/unboxed distinction; per Tier 4 #4.5; user-also-accepted)
+- **Form anchor:** `unboxed` (bounded form) → exposed value (projection)
+- **Etymology (1-line):** English colloquial / Latin *indefinitus*
+- **Definition history (1-line):** Per Cluster 0, 9; the user's preferred form
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0, 9
+
+### Term: "natural number"
+
+- **Original notation:** `1..L`, `n : int64` (per §5.4, §5.5)
+- **Re-encoded:** `Nat = Zero | Succ(Nat)` (per Tier 4 #4.6)
+- **Form anchor:** `Nat` (bounded form) → inductive type (projection)
+- **Etymology (1-line):** Latin *naturalis*
+- **Definition history (1-line):** Per Martin-Löf 1975 (the natural number type)
+- **Source sections in original:** §5.4, §5.5, §5.11
+- **Cluster cross-ref:** Cluster 3
+
+### Term: "smooth" (function property)
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `infinitely-differentiable` (per Tier 4 #4.7)
+- **Form anchor:** `infinitely-differentiable` (bounded form) → C^∞ (projection)
+- **Etymology (1-line):** Old English *smoeth*; mathematical jargon
+- **Definition history (1-line):** Calculus tradition; the technical term `C^∞` from 19th century
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 2
+
+### Term: "the limit exists"
+
+- **Original notation:** `lim_{N -> infinity} (count / N)` (per §5.1 frequentist)
+- **Re-encoded:** `Limit(f, p) : L for some L` (per Tier 4 #4.8)
+- **Form anchor:** `Limit` (bounded form) → epsilon-delta (projection)
+- **Etymology (1-line):** Latin *limes* ("boundary")
+- **Definition history (1-line):** Cauchy/Weierstrass 19th century (the epsilon-delta definition)
+- **Source sections in original:** §5.1
+- **Cluster cross-ref:** Cluster 2
+
+### Term: "transcendental number"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `template expression for producing a value at a given resolution` (per Tier 4 #4.9)
+- **Form anchor:** template expression (bounded form) → value at resolution (projection)
+- **Etymology (1-line):** Latin *transcendere* ("to climb over")
+- **Definition history (1-line):** Per Cluster 1, Pattern 7; the user-preferred form
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 1, 0
+
+### Term: "dot product"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `length-projection product` (per Tier 4 #4.10; user-also-accepted: `'scalar product'`)
+- **Form anchor:** `scalar product` (bounded form) → dot product (projection)
+- **Etymology (1-line):** English *dot* / Latin *scalar*
+- **Definition history (1-line):** Per Cluster 9; Sectored Language V1
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 1, 9
+
+### Term: "cross product"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `wedge product` (3D; per Tier 4 #4.11; user-also-accepted: `'cross product'`)
+- **Form anchor:** `wedge` (bounded form) → exterior product (projection)
+- **Etymology (1-line):** English *cross* / Old English *weecg*
+- **Definition history (1-line):** Per Cluster 1, 8, 9
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 1, 8, 9
+
+### Term: "anti-wedge"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `regressive product` / `contraction` / `interior product` (per Tier 4 #4.12)
+- **Form anchor:** `regressive product` (bounded form) → anti-wedge (projection)
+- **Etymology (1-line):** Latin *regressus* / *contractio* / *interior*
+- **Definition history (1-line):** Per Cluster 1, Pattern 6
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 1, P6
+
+### Term: "negative" (the negation operator)
+
+- **Original notation:** `¬a` (per §5.4 for Boolean lattice complement)
+- **Re-encoded:** `F² operator` (the explicit-flip; per Tier 4 #4.13)
+- **Form anchor:** `F²` (bounded form) → twice-applied flip (projection)
+- **Etymology (1-line):** Latin *negare* ("to deny")
+- **Definition history (1-line):** Per Cluster 1, Pattern 7; the explicit-flip
+- **Source sections in original:** §5.2, §5.4
+- **Cluster cross-ref:** Cluster 1, P7
+
+### Term: "infinity"
+
+- **Original notation:** `N -> infinity` (per §5.1 frequentist limit)
+- **Re-encoded:** **BANNED** as a value per Rule 1; re-encoded as `Stream` per Tier 4 #4.14
+- **Form anchor:** N/A (BANNED)
+- **Etymology (1-line):** Latin *infinitas* ("unboundedness")
+- **Definition history (1-line):** Per Cluster 0; the BANNED infinity is per Rule 1 + per user's 2026-06-23 directive
+- **Source sections in original:** §5.1
+- **Cluster cross-ref:** Cluster 0
+
+### Term: "point"
+
+- **Original notation:** Not used in this lecture (the lecture uses lattice elements, not points)
+- **Re-encoded:** `Punctum` (Latin) / `σημεῖον` (Greek) (per Tier 4 #4.15; user-also-accepted)
+- **Form anchor:** `Punctum` (bounded form) → 0-dim element (projection)
+- **Etymology (1-line):** Greek *σημεῖον* ("sign, mark"); Latin *punctum* ("prick")
+- **Definition history (1-line):** Per Cluster 7, 8; the user's preferred form
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 7, 8
+
+### Term: "straight line"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `Εὐθεῖα` (Greek) / `linea recta` (Latin) (per Tier 4 #4.16; user-also-accepted)
+- **Form anchor:** `Εὐθεῖα` (bounded form) → 1-dim element (projection)
+- **Etymology (1-line):** Greek *εὐθεῖα* ("straight"); Latin *linea recta*
+- **Definition history (1-line):** Per Cluster 7; the user's preferred form
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 7
+
+### Term: "kernel" (cross-domain)
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `discrete subsystem that holds a continuous process up` (per Tier 4 #4.17)
+- **Form anchor:** `discrete subsystem` (bounded form) → support (projection)
+- **Etymology (1-line):** Old English *cyrnel* ("seed, core")
+- **Definition history (1-line):** Per Cluster 0, Cluster B, P8; the cross-domain definition
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0, P8
+
+### Term: "Bourbaki"
+
+- **Original notation:** Per Cluster 0 — the source of reification problem
+- **Re-encoded:** **FOIL** (cultural opponent; per Tier 4 #4.18)
+- **Form anchor:** N/A (FOIL)
+- **Etymology (1-line):** Nicolas Bourbaki (pseudonym)
+- **Definition history (1-line):** Per Cluster 0, 9; the cultural opponent
+- **Source sections in original:** §2.4 (implicit, per Cluster 0, Pattern 6)
+- **Cluster cross-ref:** Cluster 0, 9
+
+### Term: "real" (in reals)
+
+- **Original notation:** `Plausibility : float64` (per §5.1)
+- **Re-encoded:** `kind : Real` resolves to `quantity : float64` (per Tier 4 #4.19)
+- **Form anchor:** `kind : Real` (bounded form) → `quantity : float64` (projection)
+- **Etymology (1-line):** Latin *realis* ("actual")
+- **Definition history (1-line):** Per Cluster 0, Cluster A, P2; user 2026-06-23
+- **Source sections in original:** §5.1, §5.5, §5.6
+- **Cluster cross-ref:** Cluster 0, A, P2
+
+### Term: "Pi"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** `kind : Pi` resolves to `quantity : float64` (per Tier 4 #4.20)
+- **Form anchor:** `kind : Pi` (bounded form) → `quantity : float64` (projection)
+- **Etymology (1-line):** Greek *πῖ* (from *περίμετρος*, "perimeter")
+- **Definition history (1-line):** Per Cluster 0, DM2 §25; user 2026-06-23
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0, DM2 §25
+
+### Term: "quantity" (a value)
+
+- **Original notation:** `Plausibility : float64` (per §5.6)
+- **Re-encoded:** `quantity(<value>) : <encoding>` (e.g., `quantity(0.5) : float64`; per Tier 4 #4.21)
+- **Form anchor:** `quantity` (bounded form) → `<encoding>` (projection)
+- **Etymology (1-line):** Latin *quantitas*
+- **Definition history (1-line):** Per user 2026-06-23; the encoding-explicit form
+- **Source sections in original:** §5.1, §5.6
+- **Cluster cross-ref:** User 2026-06-23
+
+### Term: "scalar" (a value)
+
+- **Original notation:** `quantity(<value>) : float64` (per §5.6)
+- **Re-encoded:** `scalar : <encoding>` (e.g., `scalar : float64`; per Tier 4 #4.22)
+- **Form anchor:** `scalar` (bounded form) → `<encoding>` (projection)
+- **Etymology (1-line):** Latin *scalaris* ("of a ladder")
+- **Definition history (1-line):** Per user 2026-06-23; the encoding-explicit form
+- **Source sections in original:** §5.6
+- **Cluster cross-ref:** User 2026-06-23
+
+### Term: "Lengyel's Standard GA"
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** **FOIL** (per Tier 4 #4.23; per Cluster 0, Cluster B, P6)
+- **Form anchor:** N/A (FOIL)
+- **Etymology (1-line):** (named reference)
+- **Definition history (1-line):** Per Cluster 0; the cultural opponent
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0
+
+### Term: "Standard GA" (Hestenes, Dorst)
+
+- **Original notation:** Not used in this lecture
+- **Re-encoded:** **FOIL** (per Tier 4 #4.24; Lengyel's Projective GA is the unifier)
+- **Form anchor:** N/A (FOIL)
+- **Etymology (1-line):** (named reference)
+- **Definition history (1-line):** Per Cluster 0; the cultural opponent
+- **Source sections in original:** Not applicable
+- **Cluster cross-ref:** Cluster 0
+
+---
+
+## Decoded: encoding-explicit re-encodings (per Rule 5)
+
+The following terms have explicit `encoding:` attributes per Rule 5:
+
+| Term | Encoding | Conventional → Re-encoded |
+|---|---|---|
+| `Plausibility : float64` | `float64` | "real number" / "value" → `quantity(<value>) : float64` |
+| `quantity(0.5) : float64` | `float64` | "plausibility value" → `quantity : float64` |
+| `quantity(1) : float64` | `float64` | "indicator 1" → `quantity : float64` |
+| `quantity(0) : float64` | `float64` | "indicator 0" → `quantity : float64` |
+| `count : int64` | `int64` | "count" → `Count : int64` (exact integer) |
+| `n : int64` (chain length, world-state length) | `int64` | "length" → `Length : int64` |
+
+---
+
+## Decoded: FOILs and BANNED (per `lexicon.md` §2.4 Tier 4)
+
+- **`Bourbaki`** is a FOIL (per Cluster 0, Pattern 6). Not directly referenced in this lecture, but relevant to the foundational critique of reification in standard math notation.
+- **`"infinity"` (in §5.1 frequentist limit)** is BANNED as a value per Rule 1. Re-encoded as `Stream Plausibility = nat -> Plausibility` (the indefinite process).
+- **`Standard GA`** is a FOIL (per Cluster 0, Cluster B, P6). Not referenced.
+- **`Lengyel's Standard GA`** is a FOIL. Not referenced.
+
+---
+
+## Verification (per `lexicon.md` §12)
+
+- [x] **Lossless** — 72 terms decoded (12 Tier 1 + 18 Tier 2 + 18 Tier 3 + 24 Tier 4)
+- [x] **Bounded** — no `∞_val`. The "infinity" in §5.1 is re-encoded as `Stream Plausibility`.
+- [x] **Encoding-explicit** — every value-bearing term has `encoding:` (default `float64`; `int64` for exact integers).
+- [x] **Constructively typed** — every expression has a type signature.
+- [x] **Etymology-cited** — every term has 1-line origin + 1-line definition history.
+- [x] **Form-anchored** — every re-encoding has a form anchor.
+- [x] **No esoteric content** — secular sanitization preserved.
+- [x] **Tier-categorized** — per pilot process improvement #2 (organized by Tier 1-4, not by math section).
+
+---
+
+## See also
+
+- `lexicon.md` (the codified operational spec) — see §2.4 Tier 4 entries 4.1-4.24
+- `dedup_map.md` (the 6 noise-dedup maps)
+- `probability_logic_translation.md` (the side-by-side table) — 38 rows
+- `probability_logic_deobfuscated.md` (the re-encoded report) — 15 math sections
+
+---
+
+*End of `probability_logic_decoder.md`. Total: 72 terms decoded across 4 tiers. The shape of the re-encoding, not the verbatim content of any specific sample. Per pilot process improvement #2: tier-categorized (not by math section).*
\ No newline at end of file