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Theorem not-mtwo

⊦ 0.r ≤ r0 ∧ 0.r ≤ r → r + r0 ≠ ~ 1.r + ~ 1.r

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: le-def,
Used spec theorems:
- Used simplifier rules: