Indicate whether each argument is valid or invalid. If an argument is valid, then the argument uses exactly one of the rules of inference. Indicate which rule is used for the argument. If the argument is invalid, give truth assignments to the propositions "Sally took the medication" and "Sally had side effects" that prove the argument is invalid. Sally had a side effect or Sally took the medication. Sally took the medication. Sally did not have side effects. Invalid. Sally took the medication = F. Sally had side effects = T. Invalid. Sally took the medication = T. Sally had side effects = T. Valid. Addition. Valid. Modus tollens.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Indicate whether each argument is valid or invalid. If an argument is valid, then the
argument uses exactly one of the rules of inference. Indicate which rule is used for
the argument. If the argument is invalid, give truth assignments to the propositions
"Sally took the medication" and "Sally had side effects" that prove the argument is
invalid.
Sally had a side effect or Sally took the medication.
Sally took the medication.
Sally did not have side effects.
Invalid. Sally took the medication = F. Sally had side effects = T.
Invalid. Sally took the medication = T. Sally had side effects = T.
Valid. Addition.
Valid. Modus tollens.
Transcribed Image Text:Indicate whether each argument is valid or invalid. If an argument is valid, then the argument uses exactly one of the rules of inference. Indicate which rule is used for the argument. If the argument is invalid, give truth assignments to the propositions "Sally took the medication" and "Sally had side effects" that prove the argument is invalid. Sally had a side effect or Sally took the medication. Sally took the medication. Sally did not have side effects. Invalid. Sally took the medication = F. Sally had side effects = T. Invalid. Sally took the medication = T. Sally had side effects = T. Valid. Addition. Valid. Modus tollens.
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