Mathlib v3 is deprecated. Go to Mathlib v4

Theorem nat.sub_sub_sub_cancel_right

Modification history

2021-10-06 10:12
src/data/nat/basic.lean
refactor(data/nat/basic): remove sub lemmas (#9544) …
Deleted nat.sub_sub_sub_cancel_rightView on Github →
2019-03-06 22:11
src/data/nat/basic.lean
feat(data/nat/basic): some lemmas (#792) …
Added nat.sub_sub_sub_cancel_rightView on Github →