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Proof step 9 from proof update-length (conclusion)

⊦ validFields(r, fis, st) → (update(r, fis, st)[r0 -- _length]) = st[r0 -- _length]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
validFields(r, fis, st) ⊦ (update(r, fis, st)[r0 -- _length]) = st[r0 -- _length]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]