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Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
¬r ∧ ¬((r ∨ (¬r ∧ ¬r)) ∧ r)
⇒
logic.propositional.absorpand
¬r ∧ ¬r
⇒
logic.propositional.idempand
¬r