show that if A and B are sets, A is uncountable, and A is a subset of B, then B is uncountable
Follow Math Help Forum on Facebook and Google+
What does it mean to be uncountable? Can you extend a function from A to all of B? Have you proved that every subset of a countable set is countable?
Last edited by Plato; Oct 29th 2008 at 01:38 PM.
View Tag Cloud