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Theorem bits2uint-zero-01

⊦ bits2uint(fillsgn(n, int2bits(i))) = 0 ↔ i = 0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 5
Used lemmas: int2bits-truein, int2bits-not-empty, bits2uint-zeros, bits2uint-not-zero, int2uint-fill,
Used spec theorems:
- bitopsaux/fill-in
Used simplifier rules:
- int-abs/forward-le-02
- int-abs/lels-01