Instead of a `Not (Eq …)` term use the proper `≠` in `Fin.ne_of_val_ne`, to make it symmetric with `Fin.val_ne_of_ne`, and move the former to the same place as the latter. This answers a query of @eric-wieser at https://github.com/leanprover-community/mathlib4/pull/15762#discussion_r1714990412 |
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| Basic.lean | ||
| Bitwise.lean | ||
| Fold.lean | ||
| Iterate.lean | ||
| Lemmas.lean | ||
| Log2.lean | ||