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