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Proof step 6 from proof getbar-update-01 (previous step)

∀ r, r0, i, j, st. r = r0 ∨ getbytearray(r, i, j, update(r0, fis0, st)) = getbytearray(r, i, j, st) ⊦ r = r0, getbytearray(r, i, j, update(r0, fv + fis0, st)) = getbytearray(r, i, j, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
∀ r, r0, i, j, st. r = r0 ∨ getbytearray(r, i, j, update(r0, fis0, st)) = getbytearray(r, i, j, st) ⊦ r = r0, getbytearray(r, i, j, update(r0, fv ' + fis0, st)) = getbytearray(r, i, j, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ fv + fis = fv ' + fis])]]