Question 1

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Let us consider the following sets:

A equals open curly brackets space x element of straight real numbers space vertical line space x equals 2 n minus 1 space logical and space n element of straight natural numbers space logical and space x greater than 17 space close curly brackets
B equals open curly brackets space x element of straight real numbers space vertical line space x equals 2 n space logical and space n element of straight natural numbers space logical and space x less than 38 space close curly brackets
C equals open curly brackets space x element of straight real numbers space vertical line space x equals 5 n space logical and space n element of straight natural numbers space close curly brackets
D equals open curly brackets space x element of straight real numbers space vertical line space x equals 10 n space logical and space n element of straight natural numbers space close curly brackets
E equals open curly brackets space x element of straight real numbers space vertical line space x element of straight natural numbers space logical and space x greater than 17 space close curly brackets

Check if those statements are true or false:

a) 18 element of A
b) C subset of D
c) A subset of open parentheses C intersection D close parentheses
d) open parentheses A union C close parentheses to the power of subset of equals A to the power of subset of intersection C to the power of subset of
e) 2 not an element of B
Decid si las siguientes afirmaciones son verdaderas o falsas


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