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Def equiv.set_congr

Modification history

2021-10-06 15:46
src/data/equiv/basic.lean
refactor(data/equiv): split out `./set` from `./basic` (#9560) …
Modified equiv.set_congrView on Github →
2019-02-07 14:58
src/data/equiv/basic.lean
refactor(set_theory/cardinal): split up mk_Union_le_mk_sigma, add mk_Union_eq_mk_sigma; add equiv congruence for subtype
Added equiv.set_congrView on Github →