feat(Logics/Propositional): further API for manipulating theories in natural deduction#542
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thomaskwaring wants to merge 12 commits intoleanprover:mainfrom
Open
feat(Logics/Propositional): further API for manipulating theories in natural deduction#542thomaskwaring wants to merge 12 commits intoleanprover:mainfrom
thomaskwaring wants to merge 12 commits intoleanprover:mainfrom
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Bump `mathlib` dependency to [6727686](leanprover-community/mathlib4@6727686): ci(olean_report): use `lake env` instead of `lake exec` to invoke cache binary (#38712) (2026-04-29) Previously at: [2d59066](leanprover-community/mathlib4@2d59066): refactor(Data/Matrix): protect `Matrix.mul_smul` (#38570) (2026-04-27) _This PR was last updated on 2026-05-01 by [this workflow run](https://github.com/leanprover/cslib/actions/runs/25231473662). It is an automated bump using [downstream-reports/open-bump-pr](https://github.com/leanprover-community/downstream-reports)_ --------- Co-authored-by: mathlib-nightly-testing[bot] <mathlib-nightly-testing[bot]@users.noreply.github.com> Co-authored-by: Chris Henson <chrishenson.net@gmail.com>
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In this PR we define the ordering of propositional theories by strength, and consider saturated theories (that is, the set of all theorems proved by a collection of axioms).
Depends on #536