18 - Following statement is given to you "If m is an even integer, then m+7 is odd." The student used following steps to prove the given statement. If m is an even integer then m=2k where k is an integer Then m+7 can be written as m+7=2k+7 =2k+6+1 =2(k+3)+1 , a=k+3 =2a+1 which is an odd integer What is the name of the proof method which is used in the solution? a) O Proof by Contradiction b) O Direct Proof c) O Contrapositive proof d) O Mathematical Induction

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.