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Proof step 15 from proof getbytearray-putbar-length (previous step)

⊦ # getbytearray(r, 0, (putByteArray(bytes, r0, i, st)[r -- _length]) .intval, putByteArray(bytes, r0, i, st)) = # getbytearray(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ (putByteArray(bytes, r, i, st)[r0 -- _length]) = st[r0 -- _length]
Proof step 14:
⊦ # getbytearray(r, 0, st[r -- _length] .intval, putByteArray(bytes, r0, i, st)) = # getbytearray(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]