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Theorem set.mem_of_mem_insert_of_ne

Modification history

2022-02-16 17:16
src/data/set/basic.lean
feat(data/finset/basic): When `insert` is injective and other lemmas (#11982) …
Modified set.mem_of_mem_insert_of_neView on Github →
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Modified set.mem_of_mem_insert_of_neView on Github →
2017-07-23 18:07
data/set/basic.lean
refactor(algebra/lattice): use *experiment files, move set.lattice to .basic
Modified set.mem_of_mem_insert_of_neView on Github →
2017-07-23 15:16
data/set/lattice.lean
refactor(*): import content from lean/library/data and library_dev
Added set.mem_of_mem_insert_of_neView on Github →