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Proof step 31 from proof fits-put-short-02 (previous step)

_length = fs ', st[r1 -- i '] = refval(r0), is_array(str, r1, st), is_shortvalue(st[r1 -- _length]), fits(r0, sks0, st), is_arraytype(st[r1 -- _type] .type), i < st[r1 -- _length] .intval, 0 ≤ i, 0 < st[r1 -- _length] .intval, junkref(str, r0, st) ∨ fits(r0, sks0, st[r1 -- _length, shortval(sho)]) ⊦ r1 = jvmref, junkref(str, r1, st), fits(r0, sks0, st[r1 -- _length, shortval(sho)]) ∧ ¬ shortval(sho) .intval ≤ i

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 26:
⊦ is_shortvalue(val) ↔ (∃ sho. val = shortval(sho))
Proof step 30:
_length = fs ', st[r1 -- i '] = refval(r0), is_array(str, r1, st), ∃ sho. st[r1 -- _length] = shortval(sho), fits(r0, sks0, st), is_arraytype(st[r1 -- _type] .type), i < st[r1 -- _length] .intval, 0 ≤ i, 0 < st[r1 -- _length] .intval, junkref(str, r0, st) ∨ fits(r0, sks0, st[r1 -- _length, shortval(sho)]) ⊦ r1 = jvmref, junkref(str, r1, st), fits(r0, sks0, st[r1 -- _length, shortval(sho)]) ∧ ¬ shortval(sho) .intval ≤ i

Rule argument

[speclemmaarg: ,is_shortvalue(val) ↔ (∃ sho. val = shortval(sho)) ,[val] → [st[r1 -- _length]] ,F ,javavalue , ,ex-09 ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st[r1 -- _length])]]