Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(F ∨ ¬(¬((q → p) ∨ F) ↔ ((r ↔ s) ∨ ¬s)))
logic.propositional.defimpl
¬(F ∨ ¬(¬(¬q ∨ p ∨ F) ↔ ((r ↔ s) ∨ ¬s)))
logic.propositional.falsezeroor
¬(F ∨ ¬(¬(¬q ∨ p) ↔ ((r ↔ s) ∨ ¬s)))