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Theorem nat.choose_symm

Modification history

2020-09-14 12:41
src/data/nat/basic.lean
refactor(data/nat/*): cleanup data.nat.basic, split data.nat.choose (#4135) …
Modified nat.choose_symmView on Github →
2019-11-21 22:11
src/data/nat/basic.lean
feat(data/nat): two lemmas about choose (#1717) …
Added nat.choose_symmView on Github →