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