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We swap the arguments for `Membership.mem` so that when proceeded by a `SetLike` coercion, as is often the case in Mathlib, the resulting expression is recognized as eta expanded and reduce for many computations. The most beneficial outcome is that the discrimination tree keys for instances and simp lemmas concerning subsets become more robust resulting in more efficient searches. Closes `RFC` #4932 --------- Co-authored-by: Kim Morrison <kim@tqft.net> Co-authored-by: Henrik Böving <hargonix@gmail.com> |
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| .. | ||
| Subarray | ||
| Attach.lean | ||
| Basic.lean | ||
| BasicAux.lean | ||
| BinSearch.lean | ||
| DecidableEq.lean | ||
| InsertionSort.lean | ||
| Lemmas.lean | ||
| Mem.lean | ||
| QSort.lean | ||
| Subarray.lean | ||
| TakeDrop.lean | ||