Possible Duplicate:
Uncountable minus countable set is uncountable
Proposition:
Suppose A is a countable subset of an uncountable set B. Show that B - A is uncountable.
Please help.
Possible Duplicate:
Uncountable minus countable set is uncountable
Proposition:
Suppose A is a countable subset of an uncountable set B. Show that B - A is uncountable.
Please help.