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1.2 Exercise 3

Avg difficulty 2.5

Consider the set of common political parties in the United States, P={Democratic, Green, Libertarian, Republican}P = \left\{Democratic, Green, Libertarian, Republican\right\}. Determine if the following sets are proper subsets of PP.

  1. M={Democratic, Republican}M = \left\{Democratic, Republican\right\}
  2. G={Green}G = \left\{Green\right\}
  3. V={Republican, Libertarian, Green, Democratic}V = \left\{Republican, Libertarian, Green, Democratic\right\}

OpenStax Contemporary Mathematics, 1.2 Subsets, exercise 3

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.