Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_square_inv

Modification history

2022-05-17 21:17
src/algebra/parity.lean
refactor(algebra/parity): Generalize to division monoids (#14187) …
Modified is_square_invView on Github →
2022-04-06 12:59
src/algebra/parity.lean
feat(algebra/parity): introduce `is_square` and, via `to_additive`, also `even` (#13037) …
Added is_square_invView on Github →