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Theorem ordinal.add_sub_cancel_of_le

Modification history

2021-10-06 10:12
src/set_theory/ordinal_arithmetic.lean
refactor(data/nat/basic): remove sub lemmas (#9544) …
Deleted ordinal.add_sub_cancel_of_leView on Github →
2020-07-23 11:08
src/set_theory/ordinal.lean
chore(set_theory/ordinal): split into multiple files (#3517) …
Modified ordinal.add_sub_cancel_of_leView on Github →
2017-12-23 10:06
data/ordinal.lean
feat(data/ordinal): mul, div, mod, dvd, sub, power
Added ordinal.add_sub_cancel_of_leView on Github →