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Theorem le-one

⊦ 1 < j → (i * j ≤ 1 ↔ i ≤ 0)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: square-ex, two-leone,
Used by units in proved state: int-pot, int-gcd,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: zero-gr, commutativity, associativity, ls-same,
Used spec theorems:
- Used simplifier rules: