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3. Is the following argument valid? Justify your answer by formalizing it with p and q and check the truth table. If it is raining, then it is Tuesday. It is not raining. Q 0 It is not Tuesday. 4. Write carefully the (very short) proof by contrapositive of the proposition: If n³ + n² +n is even, then n is even.

3. Is the following argument valid? Justify your answer by formalizing it with p and q and check the truth table. If it is raining, then it is Tuesday. It is not raining. Q 0 It is not Tuesday. 4. Write carefully the (very short) proof by contrapositive of the proposition: If n³ + n² +n is even, then n is even.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please kindly answer both questions. If not do number 3
3 3. Is the following argument valid? Justify your answer by formalizing it with p and q and check the truth table. If it is raining, then it is Tuesday. It is not raining. 30 It is not Tuesday. 4. Write carefully the (very short) proof by contrapositive of the proposition: If n³ + n² +n is even, then n is even.
Transcribed Image Text:3 3. Is the following argument valid? Justify your answer by formalizing it with p and q and check the truth table. If it is raining, then it is Tuesday. It is not raining. 30 It is not Tuesday. 4. Write carefully the (very short) proof by contrapositive of the proposition: If n³ + n² +n is even, then n is even.
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