“For each of the following arguments, construct both a formal proof of validity and an indirect proof and compare their length”
4 years ago
“Give conditional proofs of validity for Exercises 21*, 22, 23, 24, and 25 on pages 47-48.”
21. In back of book.
“Prove the validity of each of the following arguments by the method of assigning truth values”
1. In back of book.
2. E=T ; F=T ; G=F ; H=F ; I=F… 78 more words
Note: I cheated and used conditional proof (CP) for problems 27-29. I don’t think this is such an egregious offense, as CP is introduced a mere four pages later. 567 more words
“Construct a formal proof of validity for each of the following arguments”
“Each of the following is a formal proof of validity for the indicated argument. State the ‘justification’ for each line that is not a premiss” 393 more words
“For each of the following arguments, state the Rule of Inference by which its conclusion follows from its premiss”