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Proof step 2 from proof ubits2bits (previous step)

bits.first ⊦ bits = [], bits2uint(bits) = bits2int(bits) + 2 ^ n→i(# bits)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ bits.first ∧ bits ≠ [] → bits2int(bits) = ~ bits2uint(bitsinvert(bits) +1)
Proof step 4:
bits.first ∧ bits ≠ [], bits.first ⊦ bits = [], bits2uint(bits) = ~ bits2uint(bitsinvert(bits) +1) + 2 ^ n→i(# bits)

Rule argument

name: bits2int-neg-03 rotate: F subst: [bits] → [bits]

Additional information

Used terms: bits