Theorem Nimber.add_nat

Modification history

2026-02-20 00:22
Mathlib/SetTheory/Nimber/Basic.lean
chore: remove deprecated material from CGT (#35550) …
Deleted Nimber.add_natView on Github →
2024-10-10 11:56
Mathlib/SetTheory/Ordinal/Nimber.lean
feat(SetTheory/Ordinal/Nimber): nim addition of natural numbers is XOR (#16878) …
Added Nimber.add_natView on Github →