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