Function vstd::arithmetic::div_mod::lemma_div_by_multiple
source · pub broadcast proof fn lemma_div_by_multiple(b: int, d: int)
Expand description
requires
0 <= b,
0 < d,
ensures(b * d) / d == b,
Proof that multiplying a whole number by a common numerator and
denominator results in the original integer. Specifically,
(b * d) / d == b
.