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Proof step 9 from proof fix-rec-pos (previous step)

# bytes < n ∧ 0 ≤ bytes2int(bytes), 0 ≤ b2i(bytes.first), # bytes < n ⊦ mklist(i2b(0), n - # bytes) + bytes = i2b(0) ' + fix(n - 1, bytes), bytes = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
0 ≤ b2i(bytes.first), # bytes < n, 0 ≤ bytes2int(bytes) ⊦ mklist(i2b(0), n - # bytes) + bytes = i2b(0) ' + fix(n - 1, bytes), bytes = []

Rule argument

Additional information

Used simplifier rules: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward)