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Theorem not_surjective_of_ordinal

Modification history

2022-05-14 17:09
src/set_theory/ordinal/arithmetic.lean
chore(set_theory/ordinal/{basic, arithmetic}): Remove redundant `function` namespace (#14133)
Modified not_surjective_of_ordinalView on Github →
2022-02-01 09:01
src/set_theory/ordinal_arithmetic.lean
feat(set_theory/{ordinal_arithmetic, cardinal_ordinal}): Ordinals aren't a small type (#11756) …
Added not_surjective_of_ordinalView on Github →