Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
¬((T ∧ (r ↔ r) ∧ T ∧ r) ∨ ((r ↔ r) ∧ ((T ∧ r) ∨ F)))
⇒ logic.propositional.falsezeroor¬((T ∧ (r ↔ r) ∧ T ∧ r) ∨ ((r ↔ r) ∧ T ∧ r))
⇒ logic.propositional.truezeroand¬((T ∧ (r ↔ r) ∧ T ∧ r) ∨ ((r ↔ r) ∧ r))