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