Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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