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Proof step 3 from proof bar-empty (conclusion)

⊦ j < 0 → getbytearray(r, i, j, st) = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ getbytearray(r, i, j, st) = bytevalues(getarray(r, i, j, st))
Proof step 2:
⊦ getarray(r, i, j, st) = [] ↔ j ≤ 0

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i < j → ¬ j < i], [CSIMPSEQ : ⊦ ¬ i ≤ j ↔ j < i], [CSIMPSEQ : ⊦ bytevalues(vals) = [] ↔ vals = []])]]