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Proof step 30 from proof fits-superset (previous step)

st[r -- i '] = refval(r0), st[r -- _type] .type = mkarraytype(ty), junkref(str, r0, st), r -- i ' ∈ st, is_array(str, r, st), st ⊆ st0, fits(r0, sks0, st), i < st[r -- _length] .intval, 0 < st[r -- _length] .intval, 0 ≤ i, r ∈ st, r -- _type ∈ st, r -- _length ∈ st ⊦ r = jvmref, fits(r0, sks0, st0), ∃ i0. ¬ i0 < 0 ∧ ¬ st[r -- _length] .intval ≤ i0 ∧ is_referencevalue(st[r -- i0 ']) ∧ st[r -- i0 '] .refval ≠ jvmref ∧ (¬ st[st[r -- i0 '] .refval -- _type] .type ≤ ty ∨ junkref(str, st[r -- i0 '] .refval, st))

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 3, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPSEQ : ⊦ is_referencevalue(refval(r))], [CSIMPSEQ : ⊦ refval(r) .refval = r], [CSIMPSEQ : ⊦ ¬ junkref(str, jvmref, st)])], [EXTRATERMS : (i)]]