Completing Logical Proofs

Logical proofs are a method for proving arguments valid. They use eight valid forms of inference that are often common in everyday life and thought.

How is a logical proof constructed? Why can a proof show that an argument is valid but not that an argument is invalid? Answer in 6-8 sentences with two

direct quotes from the course text by Van Cleave. Put quotes in quotation marks with the in-text citation (Van Cleave, 2016, p. _). (15 points)

What is the difference between modus ponens and modus tollens? As part of your answer, compose and explain an example of each concerning your favorite animal.

(15 points)

Sample Solution