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Theorem mod-two-01

⊦ i % 2 + 1 ≠ 0 ∧ i < 0 → i % 2 = 0

Type: A user defined theorem
Validity: The proof is valid.
Features: forward, localforward,
Comment:
Used by: mod-next-square,
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: mod2-neg-odd,
Used spec theorems:
- Used simplifier rules: