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Proof step 3 from proof modmod-ma-01 (previous step)

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

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: modmod-add-01 seq: 0 ≠ j ⊦ 0 ≤ i ∧ 0 ≤ i0 → (i % j + i0) % j = (i + i0) % j subst: [j, i0, i] → [j, j0, i % j * i0] flags: <rotated> <all paths>

Additional information

Used simplifier rules: mod-zero: ⊦ 0 < j ∧ 0 ≤ i → 0 ≤ i % j;% ⊦ 0 ≤ i → (0 ≤ i * j ↔ i = 0 ∨ 0 ≤ j); (s)%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult%commutativity: ⊦ i * j = j * i; from specification int-mult% ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j; (s) Used terms: j, j0, i % j * i0