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