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Proof step 5 from proof succ-lsplit (previous step)

∀ i. (i + 1) * j0 = i * j0 + j0 ⊦ (i + 1) * j0 -1 + 1 = i * j0 -1 + j0

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Rule argument

spec: int-basic1 inst: name: elim-pred seq: ⊦ i = j -1 ↔ j = i +1 subst: [j, i] → [j0, i0] flags:

Additional information

Used simplifier rules: ⊦ i = j -1 ↔ j = i +1; (elim) Used terms: j0, i0