Posted by **Anonymous** on Saturday, April 23, 2011 at 12:59pm.

what is the proper subset for 13, 14, 15

- math subsets -
**MathMate**, Saturday, April 23, 2011 at 1:14pm
If A={13,14,15}

A proper subset B of A is such that

B∈A but B≠A.

The following sets are all proper subsets of A:

∅, {13}, {14}, {15}, {13,14}, {13,15}, {14,15}

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