Answer
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x &sin; Y
↓Steps Explained:↓
Evaluate the set theory notation:
XISANELEMENTOFY
Read and Write Notation
We read this as the x is an element of the set Y
We write this as x &sin; Y
Element = An object or member of a set.
Final Answer
x &sin; YRelated Calculators: Set Notation | DeMorgans Laws | Power Sets and Set Partitions