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Theorem sub_sub_cancel_left

Modification history

2021-12-11 19:31
src/algebra/group/basic.lean
refactor(algebra/group/basic): Migrate add_comm_group section into comm_group section (#10565) …
Deleted sub_sub_cancel_leftView on Github →
2021-09-11 01:08
src/algebra/group/basic.lean
chore(algebra/group/basic): add 3 `simp` attrs (#9050)
Added sub_sub_cancel_leftView on Github →