chore: remove membership instance on Option from most theorem statements#7856
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chore: remove membership instance on Option from most theorem statements#7856
Option from most theorem statements#7856Conversation
Option from most theorem statements
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* fixes * fix test * fix * chore: adaptations for leanprover/lean4#7797 * stricter rfl check * fix merge * Trigger CI for leanprover/lean4#7797 * Trigger CI for leanprover/lean4#7797 * Trigger CI for leanprover/lean4#7797 * inverse construction * Update lean-toolchain for testing leanprover/lean4#7791 * lake update * Fix * Fix * Fix * chore: bump to nightly-2025-04-03 * more fixes * merge lean-pr-testing-6325 * bump proofwidgets * Update lean-toolchain for testing leanprover/lean4#7812 * shake * fix shake * fix tests * import mathlib.init * Update lean-toolchain for testing leanprover/lean4#7816 * Trigger CI for leanprover/lean4#7816 * Update lean-toolchain for testing leanprover/lean4#7802 * Fix * fixes * Fix (pending upstream changes) * Trigger CI for leanprover/lean4#7802 * fix * chore: bump to nightly-2025-04-04 * Fix * Fix * Fix * Fix * Fix * Fix * Update lean-toolchain for testing leanprover/lean4#7818 * Fix * Fix * Fix * Merge master into nightly-testing * Fix * Fix comments * fixes * Trigger CI for leanprover/lean4#7816 * fix * fix * missing doc-string? * chore: bump to nightly-2025-04-05 * chore: bump to nightly-2025-04-06 * move Batteries to nightly-testing * lake update * lint * fix * chore: bump to nightly-2025-04-07 * sprinkle noncomputable * fix: relativize file paths fix for leanprover/lean4#7822 * chore: reset cache * chore: bump to nightly-2025-04-07 * shake * fix: relativize more * Update lean-toolchain for testing leanprover/lean4#7856 * Update lean-toolchain for testing leanprover/lean4#7851 * Fix * Fix * Fix * Fix * chore: bump to nightly-2025-04-08 * Update lean-toolchain for testing leanprover/lean4#7870 * Trigger CI for leanprover/lean4#7870 * Trigger CI for leanprover/lean4#7870 * Trigger CI for leanprover/lean4#7870 * wip * Trigger CI for leanprover/lean4#7870 * . * chore: bump to nightly-2025-04-09 * Trigger CI for leanprover/lean4#7870 * . * bump * lake update * fixes for leanprover/lean4#7873 * fixes * deprecations * chore: bump to nightly-2025-04-10 * chore: `Option.zipWith` -> `Option.merge` * lake update * toolchain * fix * fix * Update lean-toolchain for testing leanprover/lean4#7897 * Trigger CI for leanprover/lean4#7897 * fix * lake update and fix * Fix * Fix * Trigger CI for leanprover/lean4#7897 * fix merge * chore: adaptations for nightly-2025-04-10 * chore: bump to nightly-2025-04-14 * fix * . * annotate changed goal state * fixes (adaptation notes) * cleanup imports * cleanup * Update lean-toolchain for testing leanprover/lean4#7933 * Fix * Fix * Update lean-toolchain for testing leanprover/lean4#7975 * remove adaptation notes * chore: bump to nightly-2025-04-16 --------- Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com> Co-authored-by: Kim Morrison <kim@tqft.net> Co-authored-by: Markus Himmel <markus@lean-fro.org> Co-authored-by: Rob23oba <robin.arnez@web.de> Co-authored-by: Mario Carneiro <di.gama@gmail.com> Co-authored-by: Johan Commelin <johan@commelin.net> Co-authored-by: github-actions <github-actions@github.com>
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This PR changes definitions and theorems not to use the membership instance on
Optionunless the theorem is specifically about the membership instance.The reasoning for this change is that the lemma
a ∈ o ↔ o = some ais asimplemma, and we generally want theorem statements to usesimpnormal forms.One notable exception is the
ForIn'instance, which must useMembershipbecause unlikeGetElem,ForIn'requires the validity predicate to be expressed viaMembership.