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