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