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