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Theorem finset.sigma_image_fst_preimage_mk

Modification history

2020-09-24 06:54
src/data/finset/preimage.lean
chore(*): cleanup imports, split off data/finset/preimage from data/set/finite (#4221) …
Modified finset.sigma_image_fst_preimage_mkView on Github →
2020-08-21 10:07
src/data/set/finite.lean
chore(topology/basic): use dot notation (#3861) …
Added finset.sigma_image_fst_preimage_mkView on Github →