Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished
¬(¬F ∧ ((r ∧ (r ↔ r)) ∨ (r ∧ (r ↔ r))))
logic.propositional.idempor
¬(¬F ∧ r ∧ (r ↔ r))
logic.propositional.defequiv
¬(¬F ∧ r ∧ ((r ∧ r) ∨ (¬r ∧ ¬r)))
logic.propositional.idempand
¬(¬F ∧ r ∧ (r ∨ (¬r ∧ ¬r)))
logic.propositional.absorpand
¬(¬F ∧ r)