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