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Proof step 7 from proof modmod-mult (previous step)

0 ≤ i0, 0 < j, j0 < j, 0 ≤ j0, 0 ≤ i1 ⊦ (j0 * i0) % j = ((i1 * j) * i0 + j0 * i0) % j

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: inst: name: mod-add1-pospos seq: ⊦ i % j = 0 ∧ 0 ≤ i ∧ 0 ≤ i0 ∧ 0 < j → (i + i0) % j = i0 % j subst: [j, i0, i] → [j, j0 * i0, (i1 * j) * i0] flags: rewrite, current

Additional information

Used simplifier rules: mod-mult-04: j ≠ 0 ⊦ (i * j) % j = 0;%zero-left: ⊦ 0 * i = 0; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult%commutativity: ⊦ i * j = j * i; from specification int-mult%add-zero-rev: ⊦ 0 + i = i; from specification int-basic2%add-a: ⊦ i + j + i0 = (i + j) + i0; from specification int-basic2%add-c: ⊦ i + j = j + i; from specification int-basic2%zero-ge: ⊦ 0 < i → (0 ≤ i * j ↔ 0 ≤ j); from specification int-mult%zero-ge-02: ⊦ 0 ≤ i → (0 ≤ i * j ↔ ¬ ¬(i = 0 ∨ 0 ≤ j)); from specification int-mult Used terms: j, j0 * i0, (i1 * j) * i0