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Proof step 72 from proof junkrefs-put-nopathexplus-equiv (previous step)

st[r -- i '] = refval(r0), st[r -- _type] .type = mkarraytype(ty0), mkarraytype(ty0) ≤ ty, is_array(str, r, st), 0 ≤ i, 0 < st[r -- _length] .intval, i < st[r -- _length] .intval, junkrefs(str, r0 ' + refs1, ty0, st), ∀ val, sk, r, st0, ty, r2, str, refs. # refs < # (r0 + refs1) → (junkrefs(str, r2 ' + refs, ty, st0) → junkrefs(str, r2 ' + refs, ty, st0[r -- sk, val]) ∨ sk = _type ∨ path∃+(str, r2, r, st0)) ⊦ r = jvmref, sk = _type, r = r0, junkrefs(str, r0 ' + refs1, ty0, st[r0 -- sk, val]), ∃ i0. ¬ i0 < 0 ∧ ¬ st[r -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r -- i0 ']) ∧ st[r -- i0 '] .refval = r0

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 5, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r])], [EXTRATERMS : (i)]]