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Theorem int2bytes-len-ls

⊦ 0 ≤ i ∧ int2bytes(i).first ≠ i2b(0) → (n < # int2bytes(i) ↔ 2 ^ (n→i(n) * 8) ≤ i)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: fillsgn-len-short, int2bytes-len-ls-upper,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: int2bytes-len-le,
Used spec theorems:
- Used simplifier rules: