The proposition ‘All birds are cows’ is equivalent to which of the following propositions?
a) Some cows are birds
b) Some cows are not non-birds
c) Some birds are cows
d) Many birds are cows1
a only
2
c and d
3
a, b, c and d
4
d only
The proposition ‘All birds are cows’ is equivalent to which of the following propositions?
a) Some cows are birds
b) Some cows are not non-birds
c) Some birds are cows
d) Many birds are cows