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# The mathmatical statement 4 C A means? The "C'' is not an actual C.

The mathematical statement 4 C A means? The c is not a c it means its part of a set or something..

### 3 Answers by Expert Tutors

Murtaza N. | Math, Physics, Computer Programming, & Test Prep!Math, Physics, Computer Programming, & T...
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Hi Taylor!

Did you mean 4∈A ?

Cuz there's a BIG difference between 4⊂A and 4∈A.  4∈A means that A is a set which contains different elements, and 4 is one of those elements.  4⊂A means that 4 is a subset of the set A, but most mathematicians don't say that numbers are themselves subsets of anything-- that's weird.  It's more correct to say {4}⊂A.  But that's kinda nitpicky... which is why I think you meant 4∈A.
Monalisa P. | Maths & Physics TutorMaths & Physics Tutor
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Hi Taylor,

There is a set A representing some elements in it. 4 is a part of the set which is represented as 4 ⊂ A.
So 4 being an element from A can also be treated as a set and is called subset of A.
Jason S. | My goal is the success of my students. Knowledge-Patience-HonestyMy goal is the success of my students. K...
4.9 4.9 (115 lesson ratings) (115)
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4 ⊂ A, means 4 is a subset of the set A.