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Proof step 2 from proof div-mult-nls-est (previous step)

0 ≤ j, 0 < i, i0 ≤ j / i, j < i * i0, 0 < j / i, 0 < i0 ⊦

User applied rule insert elim lemma

And obtained the following new goals

Proof step 3:
⊦ 0 < j ∧ 0 ≤ i → (i0 = i / j ∧ j0 = i % j ↔ i = i0 * j + j0 ∧ 0 ≤ j0 ∧ j0 < j ∧ 0 ≤ i0)
Proof step 4:
j = i1 * i + j0 ∧ 0 ≤ j0 ∧ j0 < i ∧ 0 ≤ i1, 0 ≤ j, 0 < i, i0 ≤ i1, j < i * i0, 0 < i1, 0 < i0 ⊦

Rule argument

spec: int-div inst: name: div-elim-pospos seq: ⊦ 0 < j ∧ 0 ≤ i → ( i0 = i / j ∧ j0 = i % j ↔ i = i0 * j + j0 ∧ 0 ≤ j0 ∧ j0 < j ∧ 0 ≤ i0) subst: [i, j, i0, j0] → [j, i, i1, j0] flags: current, []

Additional information

Used simplifier rules: zero-gels-04: ⊦ i ≤ 0 ∧ 0 ≤ j → i ≤ j; from specification int-abs Used terms: j, i, i1, j0