30. Which argument is valid? A. If ideas are important, then books are important. If ideas change lives, ideas are important.Hence, if books are important, then ideas change lives. B. IfI am not good in math, then I am not intelligent. I am not good in math. Then, I am not intelligent. C. If Cora is a famous author, then she knows how to write. Moreover, Cora knows how to write.So, she is a famous author. D. If I practice every day, then I will be good in basketball. I practice every day. Hence, I will be good in basketball.

30. Which argument is valid? A. If ideas are important, then books are important. If ideas change lives, ideas are important.Hence, if books are important, then ideas change lives. B. IfI am not good in math, then I am not intelligent. I am not good in math. Then, I am not intelligent. C. If Cora is a famous author, then she knows how to write. Moreover, Cora knows how to write.So, she is a famous author. D. If I practice every day, then I will be good in basketball. I practice every day. Hence, I will be good in basketball.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Concept explainers

Logic and Proofs

Discrete mathematics deals with the separated values of data such as integers. It is widely used in the practical field of computer science and mathematics. By knowing discrete mathematics one can improve their reasoning and problem-solving capabilities. Discrete mathematics became popular after the boom of computers which operate in discrete steps and store data in discrete bits. It also useful in studying computer programming, algorithms, and cryptography.

Question

30. Which argument is valid?
A. If ideas are important, then books are important. If ideas change lives, ideas are
important.Hence, if books are important, then ideas change lives.
B. If I am not good in math, then I am not intelligent. I am not good in math. Then, I am not
intelligent.
c. If Cora is a famous author, then she knows how to write. Moreover, Cora knows how to
write.So, she is a famous author.
D. If I practice every day, then I will be good in basketball. I practice every day. Hence, I will be
good in basketball.

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