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Proof step 2 from proof div2-nls (previous step)

j < (i + j) / 2, i ≤ j, i < (i + j) / 2 ⊦

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 < (i + j) / 2, i ≤ j, i < (i + j) / 2 ⊦ 0 < 2 ∧ 0 ≤ i + j
Proof step 15:
i + j = i0 * 2 + j0 ∧ 0 ≤ j0 ∧ j0 < 2 ∧ 0 ≤ i0 ∧ 0 < 2 ∧ 0 ≤ i + j, j < i0, i ≤ j, i < 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] → [i + j, 2, i0, j0] flags: rewrite, current

Additional information

Used terms: i + j, 2, i0, j0