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Proof step 2 from proof bib-ls-same-01 (previous step)

⊦ b2i(i2b(i)) < i ↔ ¬ i < 128

User applied rule cut formula

And obtained the following new goals

Proof step 3:
i < 0 ⊦ b2i(i2b(i)) < i ↔ ¬ i < 128
Proof step 15:
⊦ i < 0, b2i(i2b(i)) < i ↔ ¬ i < 128

Rule argument

fma: i < 0

Additional information

Used formulas: i < 0