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26 Oct 2018

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When you talk about Cartesian product, A ×A, as for the symbol of 'x '(multiply), which way or how do you pronunce?

Becuse I hear that when it's about 'measurement', you can pronunce 'by', but
I'm still not sure about 'Cartesian product'.

If I think it's kind of mathematics, I have to pronounce 'times', and not 'by', but

becuse Cartesian product is a kind of binary 'set' and it makes me feel somehow a kind of 'field', and
it doesn't have to mean that it increases as much as you multiply...and,its function? is just a kind of 'pick up from two sets (A and another A', for example), and determine the first element and the second element, such as (x, y).

Sorry, if it's wrong guess.

Thank you for your help❣️

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