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