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Proof step 86 from proof validrefs-lastelem (previous step)

st[r0 -- _length] = intval(i0), st[r0 -- i '] = refval(jvmref), st[r0 -- _type] = typeval(mkarraytype(ty0)), r0 -- _type ∈ st, okreftype(refval(r0), mkarraytype(ty0), st), r0 -- _length ∈ st, is_arrayref(r0, i0, st), 0 ≤ i, is_array(str, r0, st), mkarraytype(ty0) ≤ ty, i < i0, r0 ∈ st, 0 < i0, 0 ≤ i0, ∀ j. ¬ j < 0 ∧ ¬ i0 ≤ j → okval(st[r0 -- j '], ty0) ⊦ ty0 = void_type, r0 = jvmref, is_reftype(ty0)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 15, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ okval(refval(r), ty) ↔ ty = void_type ∨ is_reftype(ty)])], [EXTRATERMS : (i)]]