The cardinal number of the set {cat, dog, horse, fish, lizard, meerkat, rhinoceros, elephant, giraffe, platypus, hippopotamus, skunk} is ____.

Question

I think its 12 right?

Answer 1

I usually call it cardinality.

It's right if you have the good reason for it. Can you explain?

Answer 2

because its the amount in the {}

Answer 3

I suppose you mean "the number of elements in the set".
That would be correct.

Answer 4

yes :) thanks

Answer 5

You're welcome!