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Proof step 106 from proof byte-law-righthift-not (previous step)

i2b(bits2uint(firstn(8, int2bits(128)))) = i2b(2147483392 + bits2uint(true ' + firstn(7, true ' + false ' + false ' + false ' + false ' + false ' + false ' + false '))), # int2bits(128) ≤ 32 ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

seq: ⊦ 0 ≤ i → int2bits(i) = uint2bits(i) subst: [i] → [128] rotate: F spec: int2bits inst: name: int2bits-pos

Additional information

Used terms: 128