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Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished
(T ∧ ¬((q → p) ∧ (q → p)) ∧ ¬((q → p) ∧ (q → p))) ↔ ((r ↔ s) ∨ ¬s)