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Theorem mul_ne_zero_comm''

Modification history

2020-06-23 03:11
src/algebra/group_with_zero.lean
chore(algebra/ring,char_zero): generalize some lemmas (#3141) …
Deleted mul_ne_zero_comm''View on Github →
2020-04-06 23:05
src/algebra/group_with_zero.lean
feat(algebra/group_with_zero): groups with a zero element adjoined (#2242) …
Added mul_ne_zero_comm''View on Github →