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