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Proof step 2 from proof bib-neg-high (previous step)

~128 ≤ i % 256, i < 0 ⊦ b2i(i2b(i)) = i % 256

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
~128 ≤ i, i ≤ 127 ⊦ b2i(i2b((* i))) = i
Proof step 4:
¬(~128 ≤ i ∧ i ≤ 127), ~128 ≤ i % 256, i < 0 ⊦ b2i(i2b(i)) = i % 256
Proof step 74:
~128 ≤ i ∧ i ≤ 127, ~128 ≤ i % 256, i < 0 ⊦ i = i % 256

Rule argument

spec: byte inst: name: num-ibbi seq: ~128 ≤ i, i ≤ 127 ⊦ b2i(i2b((* i))) = i subst: [i] → [i] flags: rewrite, current

Additional information

Used terms: i