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Proof step 2 from proof getbar-length-01 (previous step)

j0 ≤ j1 ⊦ j1 ≤ j → # getbytearray(r, i, j - j0, st) = i→n(j - j0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ i ≤ j → # getbytearray(r, i0, j - i, st) = i→n(j - i)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i→n(i) = i→n(j) ↔ abs(i) = abs(j)], [CSIMPFORWARD : ⊦ j ≤ j0 ∧ j0 ≤ j1 → j ≤ j1])]]