Is zero a cardinal number?

Discussion in 'Number Theory' started by in2infinity, Apr 20, 2022.

  1. in2infinity

    in2infinity

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    Hi there. I was having a real problem finding out is zero was a cardinal number or not?
    This website says it is...

    https://www.yourdictionary.com/cardinal-number

    and this website says it is not?

    https://byjus.com/maths/cardinal-numbers/

    In fact the issue seems to be very unclear.

    Zero is not in the ordinal set as there is no ZEROth step. Is that right?

    I want to know is I am standing at zero, and a Take a step, Do I count the zero number, and is this a cardinal number?

    I apologise if this seems like a very simple maths question. Thanks in advance for your help..
     
    in2infinity, Apr 20, 2022
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  2. in2infinity

    MathLover1

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    The cardinal number of the empty set is is 0.
     
    MathLover1, Apr 24, 2022
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