Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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