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OpenStudy (cwrw238):
I'm little confused about these symbols in Set Theory.
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OpenStudy (cwrw238):
|dw:1407066100061:dw|
OpenStudy (cwrw238):
I've used the first one - it means subset of - right? but i've never seen the second one - what is the difference, if any.
OpenStudy (ikram002p):
subset \(\subset \) subset or contain/equal \(\subseteq \)
OpenStudy (cwrw238):
the second one means proper subset? what is a proper subset?
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