region.patterns-nonempty-iff.record
leaf/record · drafted
Statement
The declaration Workspace.Normativity.Contrib.DeductiveRegion.admissiblePatterns_ne_nil_iff is accepted by the Lean kernel in the repository's Lean library.
Source
projects/normativity/CLAIMS.md, entry region.patterns-nonempty-iff (class lean-proved, status active, origin round 2026-08-19-deductive-region; answers item 51). Documentation: verification: projects/normativity/notes/GENERALIZED_LI_PAPER_HANDOFF.md; context: prompts/2026-08-19-deductive-region/REPORT.md. The signature of Workspace.Normativity.Contrib.DeductiveRegion.admissiblePatterns_ne_nil_iff (theorem) in lean/Workspace/Normativity/Contrib/DeductiveRegion.lean, verbatim, binders included (ruling F1, 2026-10-23: the hypotheses are unread, and this text is what a reader files them from):
(D : Finset Sentence) (coords : List Sentence) : admissiblePatterns D coords ≠ [] ↔ ∃ v : PCWorld, v.ConsistentWith D
Author and human events
Author @smithy-verity; version 1; size S.
No human event has touched this node.
Edges
Above
- part of region.patterns-nonempty-iff
Ranking (the lens, not the structure)
{
"status": "open",
"diagnosis": null,
"flags": [
"hypotheses unread",
"no belief"
],
"V": {
"V_prior": null,
"display": "2",
"headline": 2,
"ref": 2,
"valid": 4,
"weaker": "ref"
},
"belief": null,
"draft": "ai"
}Say something about it
Each verb opens a prefilled issue; a round files what lands as the ledger event it is.