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