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Theorem int2bits-len-neg-02

⊦ ¬(∃ i. j = ~(2 ^ i)) ∧ j < 0 → # int2bits(j) = # int2bits(~ j)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: int2bits-lelen-07, int2bits-len-abs,
Used by units in proved state: intops,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 7
Used lemmas: int2bits-len-pos-pred, int2bits-len-neg-01,
Used spec theorems:
- int-abs/minus-01
Used simplifier rules: