<Ul> <Li> ¬ A = A ↑ A </Li> <Li> A ∧ B = ¬ (A ↑ B) = (A ↑ B) ↑ (A ↑ B) </Li> <Li> A ∨ B = (A ↑ A) ↑ (B ↑ B) </Li> </Ul> <Li> ¬ A = A ↑ A </Li> <Li> A ∧ B = ¬ (A ↑ B) = (A ↑ B) ↑ (A ↑ B) </Li> <Li> A ∨ B = (A ↑ A) ↑ (B ↑ B) </Li>

Which of the following gates are sufficient to express any boolean function