Theorem Monoid.CoprodI.NeWord.replaceHead_head

Modification history

2023-07-31 14:06
Mathlib/GroupTheory/CoprodI.lean
refactor: rename `FreeProduct` to `Monoid.CoprodI` (#6055)
Added Monoid.CoprodI.NeWord.replaceHead_headView on Github →