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Proof step 29 from proof addarrays-fieldat (conclusion)

⊦ is_fskey(sk) ∧ sk ≠ _length ∧ sk ≠ _type → (addarrays(refs, ty, ints, i, st)[r -- sk]) = st[r -- sk]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 28:
is_fskey(sk) ⊦ sk = _length, sk = _type, (addarrays(refs, ty, ints, i, st)[r -- sk]) = st[r -- sk]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]