Commit 2021-12-18 14:23 04e2f5f7
View on Github →feat(algebra/group/basic): add a few lemmas (#10856)
- move
inv_eq_one
,one_eq_inv
, andinv_ne_one
up; - move
div_one'
belowdiv_eq_one
to golf the proof; - add
div_eq_inv_iff
; - golf 2 proofs.
feat(algebra/group/basic): add a few lemmas (#10856)
inv_eq_one
, one_eq_inv
, and inv_ne_one
up;div_one'
below div_eq_one
to golf the proof;div_eq_inv_iff
;