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Proof step 88 from proof validrefs-putbyte-field (conclusion)

⊦ validrefs(str, refs, ty, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ∧ ¬ junkref(str, refs .first, st) ∧ refs ≠ [] → validrefs(str, refs, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 87:
validrefs(str, refs, ty, st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ⊦ refs = [], junkref(str, refs .first, st), validrefs(str, refs, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]