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