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Proof step 8 from proof validref-forward-array (previous step)

st0[r -- _type] .type = mkarraytype(ty0), st0[r -- i '] = refval(r0), 0 < st0[r -- _length] .intval, 0 ≤ i, i < st0[r -- _length] .intval, is_array(str, r, st0), ty0 ≤ ty, ∀ i0. i0 < 0 ∨ st0[r -- _length] .intval ≤ i0 ∨ ¬ is_referencevalue(st0[r -- i0 ']) ∨ st0[r -- i0 '] .refval = jvmref ∨ st0[st0[r -- i0 '] .refval -- _type] .type ≤ ty0 ∧ validref(str, st0[r -- i0 '] .refval, ty0, st0) ⊦ r = jvmref, validref(str, r0, ty, st0)

User applied rule all left

And obtained the following new goals

Proof step 7:
st0[r -- _type] .type = mkarraytype(ty0), st0[r -- i '] = refval(r0), 0 < st0[r -- _length] .intval, 0 ≤ i, i < st0[r -- _length] .intval, is_array(str, r, st0), ty0 ≤ ty, i < 0 ∨ st0[r -- _length] .intval ≤ i ∨ ¬ is_referencevalue(st0[r -- i ']) ∨ st0[r -- i '] .refval = jvmref ∨ st0[st0[r -- i '] .refval -- _type] .type ≤ ty0 ∧ validref(str, st0[r -- i '] .refval, ty0, st0) ⊦ r = jvmref, validref(str, r0, ty, st0)

Rule argument

[EXRARG : pos: left 8, [extquanttermlist: (i)abort:F, discard:T, computed:T]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i)]]