Concept explainers
What rule of inference is used in each of these arguments?
a) Kangaroos live in Australia and are marsupials. Therefore, kangaroos are marsupials.
b) It is either hotter than 100 degrees today or the pollution is dangerous. It is less than 100 degrees outside today. Therefore, the pollution is dangerous.
c) Linda is an excellent swimmer. If Linda is an excellent swimmer, then she can work as a lifeguard. Therefore, Linda can work as a lifeguard.
d) Steve work at a computer company this summer. Therefore, this summer Steve will work at a computer company or he be a beach bum.
e) If I work all night on this homework, then I can answer all the exercises. If l answer all the exercises, I will understand the material. Therefore, if I work all night on this homework, then I will understand the material.
Want to see the full answer?
Check out a sample textbook solutionChapter 1 Solutions
Discrete Mathematics and Its Applications ( 8th International Edition ) ISBN:9781260091991
Additional Math Textbook Solutions
Basic College Mathematics
MATH IN OUR WORLD (LOOSELEAF)-W/ACCESS
Mathematics All Around (6th Edition)
Mathematics for the Trades: A Guided Approach (10th Edition) - Standalone book
Finite Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
- Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill EducationMathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education