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OpenStudy (anonymous):
∅=∅ . Is this statement true?
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OpenStudy (anonymous):
yea, identity rule o.0?
OpenStudy (anonymous):
thank you..\[{\emptyset}=\emptyset\] Is that the same........one has brackets..no difference right?
OpenStudy (anonymous):
How about \[A \subset A\]
OpenStudy (anonymous):
I believe it's NO
OpenStudy (anonymous):
yes
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