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Theorem square-even

⊦ m * (m + 1) ≠ 2 * n + 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: square-even-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 8
Used lemmas: rdist, dist, modeq, ex-two, mult-c, mult-a, rsucc-01,
Used spec theorems:
- Used simplifier rules: