Theorem Composition.cast_heq

Modification history

2025-07-05 12:03
Mathlib/Combinatorics/Enumerative/Composition.lean
style: replace `HEq x y` with `x ≍ y` (#26775) …
Modified Composition.cast_heqView on Github →
2025-03-24 10:45
Mathlib/Combinatorics/Enumerative/Composition.lean
chore(Combinatorics/Composition): add missing API lemmas (#22430) …
Added Composition.cast_heqView on Github →