# Math

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

I think its 12 right?

• Math -

I usually call it cardinality.

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

• Math -

because its the amount in the {}

• Math -

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

• Math -

yes :) thanks

• Math :) -

You're welcome!

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