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  3. 1. (a) explain what is meant by the terms countabl

1. (a) Explain what is meant by the terms countable set and uncountable set. Give a...

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Advance Math

1. (a) Explain what is meant by the terms countable set anduncountable set. Give a concrete example of each.

b) Show that if A and B are countably infinite then the set A xB is also countably infinite.

c) Give an expression for the cardinality of set A U B when Aand B are both finite sets.

d) What can you say about the cardinality of the set A U B whenA and B are infinite sets.

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