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Theorem ex-two

⊦ (∃ j. i = 2 * j) ∨ (∃ j. i = 2 * j + 1)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: square-even,
Used by units in proved state: int-min,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 6
Used lemmas: commutativity, associativity, one, numeq-03,
Used spec theorems:
- int-basic2/ex-oddeven
Used simplifier rules: