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