Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
Final term is not finished
T ∧ ¬¬¬(T ∧ r ∧ (r ↔ r))
⇒ logic.propositional.defequivT ∧ ¬¬¬(T ∧ r ∧ ((r ∧ r) ∨ (¬r ∧ ¬r)))
⇒ logic.propositional.idempandT ∧ ¬¬¬(T ∧ r ∧ (r ∨ (¬r ∧ ¬r)))
⇒ logic.propositional.absorpandT ∧ ¬¬¬(T ∧ r)
⇒ logic.propositional.truezeroandT ∧ ¬¬¬r