Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

(¬(q → p) ∧ ((r ↔ s) ∨ ¬s)) ∨ (¬¬(q → p) ∧ ¬((r ↔ s) ∨ ¬s))

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Path 1

path	[0, 1, 3, 3]
steps	4
major rules	1
active labels	dnf eliminateimplequiv