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Theorem prod.fst_to_sigma

Modification history

2022-07-05 19:14
src/data/sigma/basic.lean
feat(*): add lemmas about sigma types (#15085) …
Modified prod.fst_to_sigmaView on Github →
2020-09-24 00:15
src/data/sigma/basic.lean
feat(data/(lazy_)list): various lemmas and definitions (#4172)
Added prod.fst_to_sigmaView on Github →