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Is this a set/list or a number?

Posted 11 years ago
Hi,

I am new to Mathematica and sorry if this is too simple.



Out56 seems to say that we can add {1} to 1, so we have {2}.

Out57 says we can not compare {1} to 1.

I 'd like to know, elements in Out55, are they sets/list or numbers?
Is there a simple way to check the types of the outputs? (tells me whether they are Tables, Array, Functions, Procedures, Numbers)

Thanks!
POSTED BY: Casper YC
Posted 11 years ago
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