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OhMyMarkov
Member
- Mar 5, 2012
- 83
Is $F^{-1}(F(E))\cap E=E$?
Thanks!
Thanks!
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Set equality with a function and its inverse.
- Thread starter OhMyMarkov
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It is always the case that $E\subseteq F^{-1}(F(E))$Is $F^{-1}(F(E))\cap E=E$?
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OhMyMarkov
Member
- Mar 5, 2012
- 83
Yes...It is always the case that $E\subseteq F^{-1}(F(E))$