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Subset.md (276B)

      1 # Subset
      2 
      3 U 2.1.2
      4 
      5 **Definition:** The set A is a subset of B which means all elements of A are in B.
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      7 A **proper** subset is a subset where the two sets are not equivalent ($A \neq B$). This is described using $\sub$ instead of $\subseteq$ which included non-proper subsets.