Theorem set.union_comm
Modification history
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Modified set.union_commView on Github →2017-12-31 16:53
data/set/basic.lean
feat(data/ordinal): is_normal, omin, power/log, CNF, indecomposables, …
Modified set.union_commView on Github →