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Theorem mult-03

⊦ 2 ≤ m ∧ 2 ≤ n → ¬ prime(m * n)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: mult,
Used spec theorems:
- Used simplifier rules: