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Proof step 4 from proof bar-length (previous step)

0 ≤ st[r -- _length] .intval ⊦ # getbytearray(r, st) = i→n(st[r -- _length] .intval)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ getbytearray(r, st) = getbytearray(r, 0, st[r -- _length] .intval, st)
Proof step 2:
⊦ getbytearray(r, i, j, st) = bytevalues(getarray(r, i, j, st))
Proof step 3:
⊦ 0 ≤ j → # getarray(r, i, j, st) = i→n(j)

Rule argument

[crewrite-arg: getByteArray-all, F, [st, r] → [st, r]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ # bytevalues(vals) = # vals], [CSIMPSEQ : ⊦ i→n(i) = i→n(j) ↔ abs(i) = abs(j)])], [EXTRATERMS : (st, r)]]