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Theorem short-mult-max

⊦ i < 256 ∧ j ≤ 256 ∧ 0 ≤ i → ¬ 65536 ≤ i * j

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 7
Used lemmas: le-pos, zero-gr, ls-pos, zero-ge, commutativity, associativity, zero-gr-02,
Used spec theorems:
- Used simplifier rules: