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Theorem mod-pos-not-neg

⊦ 0 < i1 ∧ 0 < i % i1 → ¬ i < 0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: mod-grz-01, mod-les, mod-nls-01, mod-nls-05, modex,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: mod-grz,
Used spec theorems:
- Used simplifier rules: