Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(((q ∨ q) → p) ∨ F) ↔ (¬¬(r ↔ s) ∨ ¬s)
logic.propositional.notnot
¬(((q ∨ q) → p) ∨ F) ↔ ((r ↔ s) ∨ ¬s)
logic.propositional.defequiv
¬(((q ∨ q) → p) ∨ F) ↔ ((r ∧ s) ∨ (¬r ∧ ¬s) ∨ ¬s)