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Proof step 2 from proof comp-next (previous step)

0 ≤ i, 0 ≤ i0, i0 < i, 0 < i, ∀ i0. ¬ i0 < 0 ∧ ¬ i ≤ i0 → st0[r1 -- (i1 + i0) '] = st0[r2 -- (i2 + i0) '] ⊦ st0[r1 -- (i1 + i0) '] = st0[r2 -- (i2 + i0) '], r1 = r2, i0 = i

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 5, [QUANTTERMLIST : (i0)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i ≠ j → (i ≤ j ↔ i < j)], [CSIMPSEQ : ⊦ i < j → ¬ j < i])], [EXTRATERMS : (i0)]]