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Proof step 9 from proof getbar-union-01 (previous step)

¬ r -- _length ∈ st ⊦ bytevalues(getarray(r, 0, st0[r -- _length] .intval, st ∪ st0)) = getbytearray(r, st0), r ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
⊦ ¬ r ∈ st → getarray(r, i, j, st ∪ st0) = getarray(r, i, j, st0)
Proof step 8:
⊦ bytevalues(getarray(r, 0, st0[r -- _length] .intval, st0)) = getbytearray(r, st0), r ∈ st, r -- _length ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]