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Pull requests: FormalizedFormalLogic/Foundation

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Pull requests list

add/fix(FirstOrder/SetTheory): Add value of function and definability
#786 opened Feb 23, 2026 by Convindix Loading…
add(Modal/Kripke): Remove IsRootedBy and add F.Root
#783 opened Feb 22, 2026 by SnO2WMaN • Draft
1
add: Add LE version WitnessComparison
#780 opened Feb 21, 2026 by SnO2WMaN • Draft
2
ci: Manual trigger for updating
#759 opened Feb 16, 2026 by SnO2WMaN Loading…
chore: Update Lean and dependencies on 2026/02/17
#758 opened Feb 16, 2026 by SnO2WMaN • Draft
refactor: Rename aboud Provability Logic
#751 opened Feb 14, 2026 by SnO2WMaN • Draft
add(Semantics): Kripke Semantics
#745 opened Feb 12, 2026 by SnO2WMaN • Draft
8
add(Modal): First-Order interpretation
#742 opened Feb 10, 2026 by SnO2WMaN • Draft
4
add(Modal/General): Add general frame semantics
#724 opened Jan 29, 2026 by SnO2WMaN • Draft
refactor(Propositional/Kripke): Forcing Relation
#674 opened Jan 1, 2026 by SnO2WMaN • Draft
add(FirstOrder/SetTheory): continuum hypothesis
#647 opened Nov 18, 2025 by iehality • Draft
add(FirstOrder/SetTheory): forcing part.2: ℙ-name
#626 opened Nov 10, 2025 by iehality • Draft
add(InterpretabilityLogic): Add completeness of IL
#605 opened Oct 29, 2025 by SnO2WMaN • Draft
add(Modal): Add families of EK
#600 opened Oct 27, 2025 by SnO2WMaN • Draft
add(Modal/Neighborhood): Add EMCT4
#574 opened Sep 29, 2025 by SnO2WMaN • Draft
add(ProvabilityLogic): D is provability logic
#546 opened Sep 10, 2025 by SnO2WMaN • Draft
1
Craig's trick
#522 opened Aug 27, 2025 by iehality • Draft
add(FirstOrder): Lemmata for Incompleteness by Halting Problem
#508 opened Aug 9, 2025 by SnO2WMaN • Draft
add(FirstOrder): Computable Complete Expansion
#507 opened Aug 9, 2025 by SnO2WMaN • Draft
add(FirstOrder): Church's Undecidability Theorem
#491 opened Aug 2, 2025 by SnO2WMaN • Draft
19
add(Modal/Kripke): S4 lacks EFMP
#427 opened Jul 1, 2025 by SnO2WMaN • Draft
add(Modal): Modality Reduction in S4
#411 opened Jun 22, 2025 by SnO2WMaN • Draft
1
refactor(Modal, Prop): Remove explicit List.conj₂ and List.disj₂
#350 opened May 16, 2025 by SnO2WMaN • Draft
add(Prop): Logic of Bounded Depth and Infinite Superintuitionistic Logics
#339 opened May 6, 2025 by SnO2WMaN • Draft
feat(FirstOrder/Arith): Arithmetical hierarchy is equivalent to strict arithmetical hierarchy
#336 opened Apr 26, 2025 by iehality • Draft
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