The proposition ‘No red is black’ is equivalent to which of the following propositions?
(i) No black is red
(ii) All red are black
(iii) Some red are not black
(iv) Red is not black
Select the correct answer from the options given below:1
(i), (ii), (iii) and (iv)
2
(iii) only
3
(i) and (iv)
4
(iv) only