OpenStax, Contemporary Mathematics §1.2 Subsets · Example 2 · Combinatorics · Sets & logic

Subsets · Example 2

Consider the set of common political parties in the United States, $P = {D e m ocr a t i c, G r ee n, L ib er t a r ian, R e p u b l i c an}$ . Determine if the following sets are proper subsets of $P$ .

(a) $M = {D e m ocr a t i c, R e p u b l i c an}$
(b) $G = {G r ee n}$
(c) $V = {R e p u b l i c an, L ib er t a r ian, G r ee n, D e m ocr a t i c}$

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OpenStax, Contemporary Mathematics · §1.2 Subsets · Example 2

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