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Theorem ne_of_mem_of_not_mem

Modification history

2022-02-16 17:16
src/logic/basic.lean
feat(data/finset/basic): When `insert` is injective and other lemmas (#11982) …
Modified ne_of_mem_of_not_memView on Github →
2018-02-08 22:39
logic/basic.lean
feat(data/finset): not_mem theorems …
Added ne_of_mem_of_not_memView on Github →