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) ∨ (T ∧ r ∧ T)))
⇒ logic.propositional.idempor¬(¬¬(r ↔ r) ∧ T ∧ r ∧ T)
⇒ logic.propositional.truezeroand¬(¬¬(r ↔ r) ∧ r ∧ T)
⇒ logic.propositional.truezeroand¬(¬¬(r ↔ r) ∧ r)