Mathlib v3 is deprecated. Go to Mathlib v4

Theorem ring.two_ne_zero

Modification history

2022-06-12 16:53
src/algebra/char_p/basic.lean
feat(number_theory/legendre_symbol/auxiliary, *): add/move lemmas in/to various files, delete `auxiliary.lean` (#14572) …
Added ring.two_ne_zeroView on Github →