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Theorem ring_char_not_dvd_of_invertible

Modification history

2021-04-06 18:32
src/algebra/char_p/invertible.lean
feat(algebra/group/conj): `is_conj` for `monoid`s, `is_conj.setoid`, and `conj_classes` (#6896) …
Deleted ring_char_not_dvd_of_invertibleView on Github →
2021-03-27 06:35
src/algebra/char_p/invertible.lean
refactor(representation_theory/maschke): replaces `¬(ring_char k ∣ fintype.card G)` with `invertible (fintype.card G : k)` instance (#6901) …
Added ring_char_not_dvd_of_invertibleView on Github →