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Theorem card_lt_card_of_injective_of_not_mem

Modification history

2021-02-01 03:11
src/data/fintype/basic.lean
chore(*): golf some proofs (#5983) …
Deleted card_lt_card_of_injective_of_not_memView on Github →
2020-05-27 01:18
src/data/fintype/basic.lean
feat(ring_theory/fintype): in a finite nonzero_semiring, fintype.card (units R) < fintype.card R (#2793)
Added card_lt_card_of_injective_of_not_memView on Github →