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Proof step 2 from proof byte2bits8 (previous step)

# bits = 8 ⊦ byte2bits(i2b(bits2int(bits))) = bits

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ byte2bits(by) = fillsgn(8, int2bits(b2i(by)))
Proof step 4:
# bits = 8 ⊦ fillsgn(8, int2bits(b2i(i2b(bits2int(bits))))) = bits

Rule argument

name: byte2bits rotate: F subst: [by] → [i2b(bits2int(bits))]

Additional information

Used terms: i2b(bits2int(bits))