# Sets

A set D is a subset of set C provided that?

a. every element of C is an element of D

b. every element of D is an element of C

c. at least one element of C is not an element of D

d. at least one element of D is not an element C

e. none of the above.

https://brainmass.com/math/combinatorics/set-subset-set-33504

#### Solution Summary

The solution answers a question on sets.

$2.19