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)