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Proof step 2 from proof int2bits-falsein-01 (previous step)

i < ~1, i < 0 ⊦ false ∈ int2bits(i).rest

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ i < 0 → int2bits(i) = sgn(bitsinvert(uint2bits(abs(i))) +1)
Proof step 4:
i < 0, i < ~1, i < 0 ⊦ false ∈ sgn(bitsinvert(uint2bits(abs(i))) +1).rest

Rule argument

name: int2bits-neg rotate: F subst: [i] → [i]

Additional information

Used terms: i