Let the definition of disconnected be the definition in the picture attached. Show that this definition is true if and only if there are nonempty sets A and B, open in E, such that E=AUB and the intersection of A and B is empty.

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Let the definition of disconnected be the definition in the picture attached. Show that this definition is true if and only if there are nonempty sets A and B, open in E, such that E=AUB and the intersection of A and B is empty.

Definition: A subset E of a metric space (X, d) is called dicconnected if there
exist subsets A and B of X which satisfy the following properties:
(i) E
AUB.
(ii) A ‡ Ø and B ‡ Ø.
(iii) AnB = 0 and B₁Ā = Ø.
-
Transcribed Image Text:Definition: A subset E of a metric space (X, d) is called dicconnected if there exist subsets A and B of X which satisfy the following properties: (i) E AUB. (ii) A ‡ Ø and B ‡ Ø. (iii) AnB = 0 and B₁Ā = Ø. -
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