Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

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

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Path 1

path	[0, 0, 1]
steps	3
major rules	1
active labels	cnf andrules