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Proof step 2 from proof mult-04 (previous step)

0 < i0, i0 < j, 0 < i, 0 < j0 ⊦ (j * i - i0) / (j * j0) = (i - 1) / j0

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: mult-03: ⊦ 0 < i0 ∧ i0 < j ∧ 0 < i ∧ 0 < j0 → (i * j - i0) / (j0 * j) = (i - 1) / j0;%commutativity: ⊦ i * j = j * i; from specification int-mult%associativity: ⊦ i * j * j0 = (i * j) * j0; from specification int-mult