If X is an infinite set and x is in X, show that X~X\{x}.
Follow Math Help Forum on Facebook and Google+
Originally Posted by Jdg6057 If X is an infinite set and x is in X, show that X~X\{x}. The proof of this statement is entirely dependent on what definition of infinite set is in use.
Last edited by Plato; September 21st 2009 at 11:03 AM.
View Tag Cloud