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Proof step 11 from proof modeqp-copied (previous step)

i * j + j0 = i0 * j + j1, 0 < j, j1 < j, j0 < j, 0 ≤ j1, 0 ≤ j0 ⊦ i = i0, i < i0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
i * j + j0 = i0 * j + j1, j0 < j, j1 < j, 0 < j, i0 < i, 0 ≤ j0, 0 ≤ j1 ⊦

Rule argument

Additional information

Used simplifier rules: ⊦ i < j → ¬ j < i; (s)% ⊦ ¬ i < j → (i = j ↔ ¬ j < i); (ss)