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Proof step 11 from proof fits-law-band (previous step)

8 < # int2bits(band(b2i(by1), b2i(by2))), 9 ≤ # int2bits(b2i(by1)) ⊦ band(b2i(by1), b2i(by2)) = cast(8, band(b2i(by1), b2i(by2)))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

name: byte-bitlength-01 rotate: F subst: [by, n] → [by1, 9]

Additional information

Used simplifier rules: byte-bitlength-01: ⊦ 8 < n → ¬ n ≤ # int2bits(b2i(by)); Used terms: by1, 9