Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
Final term is not finished
¬(r ∧ (¬¬(r ∧ r) ∨ (¬r ∧ ¬r)))
⇒ logic.propositional.notnot¬(r ∧ ((r ∧ r) ∨ (¬r ∧ ¬r)))
⇒ logic.propositional.idempand¬(r ∧ (r ∨ (¬r ∧ ¬r)))