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Proof step 33 from proof lst-02 (previous step)

∀ j. i0 = j ∨ i0 < j ∨ j < i0 ⊦ i0 -1 = j, i0 -1 < j, j < i0 -1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 34:
∀ j. i0 = j ∨ i0 < j ∨ j < i0 ⊦ j +1 = i0, i0 -1 < j, j < i0 -1

Rule argument

Additional information

Used simplifier rules: pred: ⊦ i = j -1 ↔ i +1 = j;