`BookProof.SmCar.jwSign_mul_self` (i : Fin n) (S : Finset (Fin n)) : jwSign i S * jwSign i S = 1

Initializing...

`BookProof.SmCar.jwSign_mul_self` (i : Fin n) (S : Finset (Fin n)) : jwSign i S * jwSign i S = 1 · Prove2Me