Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬((((r ∧ r) ∨ (¬r ∧ ¬r ∧ ¬r)) ∧ r) ∨ (((r ∧ r) ∨ (¬r ∧ ¬r)) ∧ r))