{"title": "Applicability decisions", "producer": ["GENERATED by tools/Drivers/Semantics.lean (make gen-semantics); do not edit", "format: effect4-semantics-report v8", "command: make gen-semantics", "inputs: tools/ProofGraph/Registry.lean, tools/Tools/Semantics.lean, tools/Drivers/Semantics.lean, tools/Tools/SemanticsDisplay.lean, tools/Tools/SemanticsDocument.lean, tools/Tools/Document.lean, tools/Tools/Document/Json.lean, src/Effect4/Laws/Auto/Semantics.lean, Test/Counterexamples/REGISTER.md, docs/core/decisions.md, lean-toolchain"], "format": "effect4-document/1", "body": [{"rows": [[[{"ref": "concept:store-typing", "label": "store-typing"}], [{"text": "163"}], [{"text": "owner"}], [{"text": "function values and closures in Val: Fits contains no arrow clause"}], [{"text": "the language cut, docs/research/history/language-cut.md section 1"}]], [[{"ref": "concept:store-typing", "label": "store-typing"}], [{"text": "96"}], [{"text": "owner"}], [{"text": "raw subtyping in handle arms: comparisons use Equiv under Ty.subN"}], [{"text": "checker compares and joins in normalized order (decisions row 137, E4-TYPED-CE-009)"}]], [[{"ref": "concept:store-typing", "label": "store-typing"}], [{"text": "156"}], [{"text": "owner"}], [{"text": "dangling scope handles: ScopeLive presence required at Ty.scope"}], [{"text": "machine halts on absent scope in prepareScopedExitR (E4-SCHED-CE-020)"}]], [[{"ref": "concept:residual-program-typing", "label": "residual-program-typing"}], [{"text": "163"}], [{"text": "owner"}], [{"text": "stored function values and closures: stored Eff syntax uses first-order program trees, while proof-side RProgram carries Lean function continuations at visible operations"}], [{"text": "the language cut, docs/research/history/language-cut.md section 1; row 163 excludes stored function values, not functions in the semantic model"}]], [[{"ref": "concept:residual-program-typing", "label": "residual-program-typing"}], [{"text": "117"}], [{"text": "owner"}], [{"text": "open root requirement rows: M5, M6c and M7 take the premise rootTy.requires = empty"}], [{"text": "rc.112 runs closed root rows (Effect.ts:17494-17497), while retaining separate per-position obligations"}]], [[{"ref": "concept:residual-program-typing", "label": "residual-program-typing"}], [{"text": "148"}], [{"text": "coordinator"}], [{"text": "general bind closure: sequencing is proved per construct via compatibility lemmas"}], [{"text": "closing marker unguard fixes exit type (E4-TYPED-CE-030)"}]], [[{"ref": "concept:scope-lifetime-finalization", "label": "scope-lifetime-finalization"}], [{"text": "156"}], [{"text": "owner"}], [{"text": "closure or exit of absent scopes: ScopeLive required"}], [{"text": "machine halts on absent scope in prepareScopedExitR"}]], [[{"ref": "concept:scope-lifetime-finalization", "label": "scope-lifetime-finalization"}], [{"text": "152"}], [{"text": "owner"}], [{"text": "badName and notImplemented defect transmission during close walk"}], [{"text": "ShapeFree exclusion on encoded causes in exit types (row 152)"}]], [[{"ref": "concept:reactive-scheduling", "label": "reactive-scheduling"}], [{"text": "106"}], [{"text": "owner"}], [{"text": "unbounded token indices: QueueOk enforces GuardState.keysBelow"}], [{"text": "fresh token bounds protect scheduler invariants (decisions row 106)"}]], [[{"ref": "concept:reactive-scheduling", "label": "reactive-scheduling"}], [{"text": "107"}], [{"text": "owner"}], [{"text": "defect-bearing exit boundaries: ExitOk requires NoShapeDefect"}], [{"text": "badName and notImplemented defects excluded from typed exits"}]], [[{"ref": "concept:reactive-scheduling", "label": "reactive-scheduling"}], [{"text": "134"}], [{"text": "owner"}], [{"text": "untyped timer and race columns in configuration typing"}], [{"text": "E4-TYPED-CE-024 through CE-029 separate timer, waiter, and race keys"}]], [[{"ref": "concept:exact-codecs", "label": "exact-codecs"}], [{"text": "128"}], [{"text": "owner"}], [{"text": "arbitrary syntactic equality: embeddings are exact modulo normJ and normS"}], [{"text": "JSON object key order and Schema AST annotations do not affect decoding"}]], [[{"ref": "concept:exact-codecs", "label": "exact-codecs"}], [{"text": "179"}], [{"text": "coordinator"}], [{"text": "unconditional metadata preservation: normS erases only nine approved keys"}], [{"text": "arbitrary effect4/* annotations cannot be silently discarded"}]], [[{"ref": "concept:subtyping-algebra", "label": "subtyping-algebra"}], [{"text": "137"}], [{"text": "owner"}], [{"text": "raw subtyping for checker comparisons: subN normalizes both sides first"}], [{"text": "raw sub does not distribute products over unions (E4-TYPED-CE-009)"}]], [[{"ref": "concept:subtyping-algebra", "label": "subtyping-algebra"}], [{"text": "163"}], [{"text": "owner"}], [{"text": "arrow subtyping: Ty contains no function constructor"}], [{"text": "the language cut, docs/research/history/language-cut.md section 1"}]], [[{"ref": "concept:initial-algebras-folds", "label": "initial-algebras-folds"}], [{"text": "127"}], [{"text": "owner"}], [{"text": "recursive-type unfolding in inhabited: inhabited is a fold over finite syntax"}], [{"text": "Ty is an inductive data type with no infinite equi-recursive unfolding"}]], [[{"ref": "concept:context-requirements", "label": "context-requirements"}], [{"text": "117"}], [{"text": "owner"}], [{"text": "open root requirement rows: M5, M6c and M7 require rootTy.requires = empty"}], [{"text": "rc.112 runs closed rows (Effect.ts:17494-17497)"}]], [[{"ref": "concept:context-requirements", "label": "context-requirements"}], [{"text": "104"}], [{"text": "owner"}], [{"text": "lexical environment capture in layers: layers build at closed points"}], [{"text": "Point.layerBuild prevents layer bodies from reading outer environments (E4-PROV-CE-005)"}]], [[{"ref": "concept:context-requirements", "label": "context-requirements"}], [{"text": "105"}], [{"text": "owner"}], [{"text": "mismatched layer values: layer value must fit declared service type"}], [{"text": "LayerHasTy requires declared service carrier and value subtyping (E4-PROV-CE-006)"}]], [[{"ref": "concept:host-session-protocol", "label": "host-session-protocol"}], [{"text": "122"}], [{"text": "owner"}], [{"text": "in-engine boundary decoding: Decision 12 adopts Route A typed membership"}], [{"text": "boundary decode checks membership before runtime admission (host-boundary.md section 7)"}]], [[{"ref": "concept:host-session-protocol", "label": "host-session-protocol"}], [{"text": "97"}], [{"text": "owner"}], [{"text": "internal handle kinds at host boundary: cells, promises, fibers, scopes refused"}], [{"text": "prevents leaking internal runtime capabilities across boundary (E4-HOST-CE-007)"}]], [[{"ref": "concept:translation-simulation", "label": "translation-simulation"}], [{"text": "138"}], [{"text": "owner"}], [{"text": "non-empty host tables in M7: M7 is stated strictly on M7Fragment with root.table = []"}], [{"text": "table-aware agreement is deferred to R6 (DI-57)"}]], [[{"ref": "concept:translation-simulation", "label": "translation-simulation"}], [{"text": "95"}], [{"text": "owner"}], [{"text": "host answers on decision tapes: M6 and M7 quantify over answer-free tapes"}], [{"text": "reference machine has no host table and refuses every answer (emptyTable_refuses_every_answer)"}]], [[{"ref": "concept:translation-simulation", "label": "translation-simulation"}], [{"text": "117"}], [{"text": "owner"}], [{"text": "open requirement rows: M7Fragment enforces rootTy.requires = empty"}], [{"text": "rc.112 runs closed rows (Effect.ts:17494-17497)"}]]], "kind": "table", "headers": ["Concept", "Row", "Who", "Excluded", "Reason"]}]}