Add backward.simpa.using.reducibleClose to 1300+ files#216
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2212 wraps across 1309 Mathlib files
1 wrap in Counterexamples/Phillips.lean
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…appers with `simpa!` The lean4 PR now removes the `backward.simpa.using.reducibleClose` option; the permissive default-transparency close is opt-in via `simpa!` instead. Bumps lean-toolchain to pr-release-13636-11336d3. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…lose Tracks the lean4 PR's switch from prefix-`!` to a `using!` clause: only the final close-step transparency is changed, leaving `!` available for its existing auto-unfold meaning. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Lean PR leanprover-community#13636 restricts
simpa using hto close its final isDefEqcheck at reducible transparency rather than default, gated behind the
option
backward.simpa.using.reducibleClose(defaulttrue).This adapts Mathlib by wrapping each affected declaration with
set_option backward.simpa.using.reducibleClose false into restorethe old default-transparency behavior, to be cleaned up as technical
debt in followups.
2212 wraps across 1309 Mathlib files
1 wrap in Counterexamples/Phillips.lean