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Proof step 11 from proof leone-two (previous step)

j0 < 2, 0 ≤ i0, 0 ≤ j0, i0 * 2 + j0 ≤ 3 ⊦ i0 ≤ 1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
j0 < 2, 0 < i0, 1 < i0, i0 * 2 + j0 ≤ 3, 0 ≤ j0, 0 ≤ i0 ⊦

Rule argument

Additional information

Used simplifier rules: forward-le-05: ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward) from specification int-abs%forward-pos: ⊦ i < j ∧ 0 < i → 0 < j ∧ 1 < j; (forward) from specification int-basic1% ⊦ i ≤ j ↔ ¬ j < i; (ss)