Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished
¬(((¬¬(r ∧ r) ∧ ¬¬(r ∧ r)) ↔ r) ∧ T ∧ r)
logic.propositional.idempand
¬((¬¬(r ∧ r) ↔ r) ∧ T ∧ r)
logic.propositional.notnot
¬(((r ∧ r) ↔ r) ∧ T ∧ r)
logic.propositional.idempand
¬((r ↔ r) ∧ T ∧ r)