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Theorem set.prod_subset_preimage_fst

Modification history

2022-01-11 13:55
src/data/set/prod.lean
refactor(data/set/prod): add notation class for set-like product (#11300) …
Modified set.prod_subset_preimage_fstView on Github →
2021-12-13 09:36
src/data/set/basic.lean
split(data/set/prod): split off `data.set.basic` (#10739) …
Modified set.prod_subset_preimage_fstView on Github →
2019-10-17 20:03
src/data/set/basic.lean
refactor(topology,calculus): change subset condition for composition (#1549) …
Added set.prod_subset_preimage_fstView on Github →