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1. Prove by contradiction that for any integers a and b, a^2 - 4b != 2 (in words: a^2 minus 4b is NOT equal to
1. Prove by contradiction that for any integers a and b, a^2 - 4b != 2 (in words: a^2 minus 4b is NOT equal to 2)
2. Use Mathematical induction to show that for any natural number n > 4, n^2 < 2^n.
3. Translate the following sentences into logical expressions. a. The sum of two positive integers is always a positive integer. b. If a person is female and is a parent, then this person is someones mother.
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