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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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