Argument C P1: All humans are mammals. P2: All canines are mammals. C: All humans are canines. Argument C _____ have at least one false premise; and it _____ commit a fallacy. Argument C _____ a "good" argument. Argument D P1: The sun has risen over the earth every day that the earth has existed. P2: Most astrophysicists agree that there is no reason to expect drastic changes in the earth's orbit around the sun anytime soon. C: So, the sun will rise tomorrow. Argument D _____ have at least one false premise; and it _____ commit a fallacy. Argument D _____ a "good" argument.
Added by Gregory J.
Close
Step 1
P2: All canines are mammals. Conclusion: All humans are canines. This argument commits the fallacy of "undistributed middle" because it assumes that since humans and canines share a common property (being mammals), they must be the same. This is not a valid Show more…
Show all steps
Your feedback will help us improve your experience
Madhur L and 89 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Argument A P1: All humans are mammals. P2: All canines are mammals. C: All humans are canines. Argument A: does/does not have at least one false premise; and it does/does not commit a fallacy. Argument A is/is not a "good" argument. Argument B P1: All animal species with a respiratory system are also species with a circulatory system. P2: All mammal species have a respiratory system. C: Therefore, all mammal species have a circulatory system. Argument B: does/does not have at least one false premise; and it does/does not commit a fallacy. Argument B is/is not a "good" argument. Argument C P1: Some reptiles are mammals. P2: All mammals are warm-blooded creatures. C: Some reptiles are warm-blooded creatures. Argument C: does/does not have at least one false premise; and it does/does not commit a fallacy. Argument C is/is not a "good" argument. Argument D P1: The earth orbits the sun once every calendar year. P2: It takes approximately 365 days and 6 hours for the earth to orbit the sun. C: So, every calendar year must be at least 365 days long. Argument D: does/does not have at least one false premise; and it does/does not commit a fallacy. Argument D is/is not a "good" argument.
Supreeta N.
As mentioned in the text, an argument can have a true conclusion yet be invalid. In these exercises, each argument has a true conclusion. Identify each argument as valid or invalid. All mammals have fur. All tigers are mammals. All tigers have fur.
Logic
Analyzing Arguments with Quantifiers
Deductive Argument: Complete each deductive argument below with a valid conclusion. Premise 1: All humans are mortal. Premise 2: I am human. Conclusion: Therefore, I am Premise 1: All birds have feathers. Premise 2: Cardinals are birds. Conclusion: Therefore, cardinals have Premise 1: There is a party at work today. Premise 2: Jimmy is sick and not at work today. Conclusion: Therefore, Jimmy will
Caroline M.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD