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Proof step 2 from proof unchNorec-index (previous step)

st[r -- _type] = st0[r -- _type], st[r -- _length] = st0[r -- _length], i < st0[r -- _length] .intval, is_arraytype(st0[r -- _type] .type), 0 ≤ i, 0 < st0[r -- _length] .intval, ∀ i0. ¬ i0 < 0 ∧ ¬ st0[r -- _length] .intval ≤ i0 → st[r -- i0 '] = st0[r -- i0 '] ⊦ st[r -- i '] = st0[r -- i '], r = jvmref

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 7, [QUANTTERMLIST : (i)]]

Additional information

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