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Proof step 18 from proof validstatfields-put-norefval-field-better (previous step)

okval(val, sk .fs .type), is_fskey(sk), validstatfields(str, st) ⊦ sk = _length, is_referencevalue(val), validstatfields(str, st[r -- sk, val])

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 17:
sk = fs ', okval(val, fs .type), is_fskey(sk), validstatfields(str, st) ⊦ sk = _length, is_referencevalue(val), validstatfields(str, st[r -- sk, val])

Rule argument

[x0lemmaarg: spec-name: storekey instance-name: lemma-name: elim-03 antecedent: succedent: is_fskey(sk) → (fs = sk .fs ↔ sk = fs ') substlist: [sk, fs] → [sk, fs] add preconditions?: F is rewrite lemma?: F current spec?: F rotate lemma?: T replace all?: T paths: () dummy: () ]

Additional information

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