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