`BookProof.ChapterFiniteArithmeticPrior.truncMul_eq_mul` {B : ℕ} [NeZero B] (a b : Fin B) (h : (a : ℕ) * (b : ℕ) < B) : (((truncMul B).result a b : Fin B) : ℕ) = (a : ℕ) * (b : ℕ)

Initializing...

`BookProof.ChapterFiniteArithmeticPrior.truncMul_eq_mul` {B : ℕ} [NeZero B] (a b : Fin B) (h : (a : ℕ) * (b : ℕ) < B) : (((truncMul B).result a b : Fin B) : ℕ) = (a : ℕ) * (b : ℕ) · Prove2Me