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Proof step 13 from proof eq-nonzero (previous step)

j < j0, i * j = i * j0, 0 < i ⊦ j = j0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 14:
⊦ 0 < i → (i * j < i * j0 ↔ j < j0)
Proof step 15:
0 < i, i * j < i * j0, i * j = i * j0, 0 < i ⊦ j = j0

Rule argument

spec: int-mult inst: name: ls-pos seq: ⊦ 0 < i → (i * j < i * j0 ↔ j < j0) subst: [i, j, j0] → [i, j, j0] flags: rewrite, current

Additional information

Used terms: i, j, j0