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Def ordinal.principal_seg_out

Modification history

2022-03-07 10:15
src/set_theory/ordinal.lean
refactor(set_theory/*): `o.out.r` → `<` (#12468) …
Modified ordinal.principal_seg_outView on Github →
2019-05-10 00:53
src/set_theory/ordinal.lean
feat(set_theory): add to cardinal, ordinal, cofinality (#963) …
Added ordinal.principal_seg_outView on Github →