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Theorem set.infinite_of_injective_forall_mem

Modification history

2022-05-23 12:13
src/data/set/finite.lean
refactor(data/set/finite): reorganize and put emphasis on fintype instances (#14136) …
Modified set.infinite_of_injective_forall_memView on Github →
2020-11-15 04:56
src/data/set/finite.lean
refactor(archive/imo/imo1969_q1): prove `infinite` statement, cleanup (#4391) …
Added set.infinite_of_injective_forall_memView on Github →