proof

Question 1

how do you approach proof by deduction

Answer 1

use all the logical steps to reach the answer

Question 2

how do you approach proof by exhaustion

Answer 2

test every possibility in given range

Question 3

how do you approach disproof by counter example

Answer 3

use an example know not to be true to prove the statement

Question 4

how do you approach proof by contradiction

Answer 4

by proving the opposite cant be true therefore the statement is correct