Answer to Question #259662 in Math for Nbj

Question

4. Write out each of the phrases using symbols.

a) The set of integers is a subset of the set of real numbers.

b) The closed interval from 0 to 1 is not a subset of the open interval from 0 to 1.

Answer 1

a)

$$\Z\subset\R$$

b)

$$[0, 1]\not\subset(0,1)$$