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Proof step 79 from proof validrefs-putbar-01 (previous step)

okbytearray(r, st), validrefs(str, refs, ty, putByteArray(bytes, r, i, st)) ⊦ refs = [], junkref(str, refs .first, st), validrefs(str, refs, ty, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 78:
refs = r0 + refs0, okbytearray(r, st), validrefs(str, refs, ty, putByteArray(bytes, r, i, st)) ⊦ refs = [], junkref(str, r0, st), validrefs(str, refs, ty, st)

Rule argument

[speclemmaarg: refs ≠ [] ,r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0 ,[refs, r, refs0] → [refs, r0, refs0] ,T ,list-data ,references-olista ,elim-list-c ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (refs, r0, refs0)]]