Theorem HNNExtension.ReducedWord.map_fst_eq_and_of_prod_eq

Modification history

2023-09-14 10:14
Mathlib/GroupTheory/HNNExtension.lean
feat: HNN extensions and Britton's lemma (#6923)
Added HNNExtension.ReducedWord.map_fst_eq_and_of_prod_eqView on Github →