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