Function vstd::arithmetic::mul::lemma_mul_inequality_converse
source · pub broadcast proof fn lemma_mul_inequality_converse(x: int, y: int, z: int)
Expand description
requires
#[trigger] (x * z) <= #[trigger] (y * z),
z > 0,
ensuresx <= y,
Proof that since x * z <= y * z
and z > 0
, that x <= y