Question

The mathematical statement 4 E A means:. . A) 4 is a subset of A. B) 4 is an element of A. C) 4 is the intersection of A. D) All of the above

Answer 1

B. The mathematical statement
`4\in A` means 4 is an element of A.

A. The mathematical statement
`4\subset A` means 4 is a subset of A.

C. The mathematical statement
`4= \cap A` means 4 is the intersection of A.

Therefore, correct choice is B.

Answer 2

The mathematical statement 4 E A means:

B. 4 is an element of A.

4 E A

4 ⇒ 4
E ⇒ element of
A ⇒ A