Question:PROVE THE UNION OF FINITELY MANY CLOSED SUBSETS OF R1 IS CLOSED.
* PLEASE Include a...
Question
PROVE THE UNION OF FINITELY MANY CLOSED SUBSETS OF R1 IS CLOSED.
* PLEASE Include a...
PROVE THE UNION OF FINITELY MANY CLOSED SUBSETS OF R1 IS CLOSED.
* PLEASE Include a thorough and complete explanation/ proof.
(include "...by definition of..." etc.)