SOLUTION: Find the Cardinal number {(1,2)(108,109)(0,112)}

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Question 1040153: Find the Cardinal number {(1,2)(108,109)(0,112)}
Answer by ikleyn(52778) About Me  (Show Source):
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Writing  {(1,2)(108,109)(0,112)}  is incorrect.

If you mean this set  {(1,2),(108,109),(0,112)}  (! notice!  elements are listed via the comma!)  then
this set contains  3  elements and therefore has the cardinal number  3.