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Proof step 18 from proof validrefnotnull-put-shortval (previous step)

sk .fs .type = short_type, is_shortvalue(st[r -- sk]), validrefnotnull(str, r0, ty, st), is_fskey(sk) ⊦ sk = _length, r = jvmref, r0 = jvmref, validrefnotnull(str, r0, ty, st[r -- sk, shortval(sho)])

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 17:
sk = fs ', fs .type = short_type, is_shortvalue(st[r -- sk]), validrefnotnull(str, r0, ty, st), is_fskey(sk) ⊦ sk = _length, r = jvmref, r0 = jvmref, validrefnotnull(str, r0, ty, st[r -- sk, shortval(sho)])

Rule argument

[speclemmaarg: ,is_fskey(sk) → (fs = sk .fs ↔ sk = fs ') ,[sk, fs] → [sk, fs] ,T ,storekey , ,elim-03 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_fskey(sk) → (fs = sk .fs ↔ sk = fs ')])], [EXTRATERMS : (sk, fs)]]