Use $\subseteq, \nsubseteq, \subset$ , or Both $\subset$

question 106

Multiple Choice

Use $\subseteq, \nsubseteq, \subset$ , or both $\subset$ and $\subseteq$ to make a true statement.
- $$\{ 11,12,13 \} ....... \{ 10,11,12,13 \}$$

• A) \(\nsubseteq\)
• B) \(\subseteq\)
• C) \(\subset\)
• D) \(\subset\) and \(\subseteq\)

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