Step
*
1
of Lemma
divides_iff_div_exact
1. a : ℤ
2. n : ℤ-o
3. n | a
⊢ ((a ÷ n) * n) = a ∈ ℤ
BY
{ (FwdThruLemma `divides_iff_rem_zero` [3] THENA Auto) }
1
1. a : ℤ
2. n : ℤ-o
3. n | a
4. (a rem n) = 0 ∈ ℤ
⊢ ((a ÷ n) * n) = a ∈ ℤ
Latex:
Latex:
1. a : \mBbbZ{}
2. n : \mBbbZ{}\msupminus{}\msupzero{}
3. n | a
\mvdash{} ((a \mdiv{} n) * n) = a
By
Latex:
(FwdThruLemma `divides\_iff\_rem\_zero` [3] THENA Auto)
Home
Index