SOLUTION: find the cardinal number for each set A={xlx is a letter in the word six}

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Question 187511: find the cardinal number for each set
A={xlx is a letter in the word six}
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
A={x | x is a letter in the word six} = {s, i, x}

3 elements ----> cardinal number is 3