Discrete Mathematics: Functions and cardinality. Look at the image down below and answer the questions! Thanks Let E be the set of all positive even integers. Prove that E is countably infinite by...

Discrete Mathematics:

Functions and cardinality. Look at the image down below and answer the questions! Thanks

Extracted text: Let E be the set of all positive even integers. Prove that E is countably infinite by defining a map f :Z* → E and showing that it is a bijection.