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Mathematics 28 Online
OpenStudy (hesan):

why the symbols for union and intersection of two sets are U and ∩ resp.

OpenStudy (anonymous):

Well for logical AND and OR we have \(\wedge\) and \(\vee\) and we see that \(A \cap B\) is really like saying \(\{x ; x \in A \text{ AND } x \in B\}\) and we see that \(A \cup B\) is really like saying \(\{x; x \in A \text{ OR } x \in B\}\)

OpenStudy (hesan):

not getting this

OpenStudy (anonymous):

Can you not see the resemblance between the logical operators and the set operators

OpenStudy (unklerhaukus):

these are nice simple symbols to draw,

OpenStudy (hesan):

@UnkleRhaukus its funny to say this not the logical reason

OpenStudy (unklerhaukus):

you want a logical answer ? see Alchemista's response

OpenStudy (anonymous):

I suppose you are still left with the question of why the logical operators are the way they are. To be honest I dont quite know. But I always look at \(\wedge\) for instance and it looks a bit like an A and since its AND that makes a bit of sense.

OpenStudy (hesan):

Thanks

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