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Theorem sub_add_cancel'

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_add_cancel'View on Github →
2021-11-25 16:03
src/algebra/group/basic.lean
chore(algebra/group/basic): + 2 simp lemmas about `a - b` (#10478)
Added sub_add_cancel'View on Github →