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