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(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argume...Asked by Jen
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table.
If Nicholas Thompson teaches this course, then I will get a passing grade.
I did not get a passing grade.
∴ Nicholas Thompson did not teach the course.
If Nicholas Thompson teaches this course, then I will get a passing grade.
I did not get a passing grade.
∴ Nicholas Thompson did not teach the course.
Answers
Answered by
Damon
If a cow, then mammal - hypothesis
If a mammal then a cow - converse, invalid
If not a cow , then not a mammal - inverse, invalid
If not a mammal, then not a cow - contrapositive - true
Here:
If NT teaches, then pass - hypothesis
If pass, then NT - converse, invalid
If not NT, then not pass - inverse, invalid
If not pass, then not NT - contrapositive, true (this is your case)
If a mammal then a cow - converse, invalid
If not a cow , then not a mammal - inverse, invalid
If not a mammal, then not a cow - contrapositive - true
Here:
If NT teaches, then pass - hypothesis
If pass, then NT - converse, invalid
If not NT, then not pass - inverse, invalid
If not pass, then not NT - contrapositive, true (this is your case)
Answered by
Boo
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table.
If I can get my child to preschool by 9:45AM, then I can take the 9:00AM class.
If I can take the 9AM class, then I can be done by 2PM
If I can get my child to preschool by 8:45AM then I can be done by 2PM
If I can get my child to preschool by 9:45AM, then I can take the 9:00AM class.
If I can take the 9AM class, then I can be done by 2PM
If I can get my child to preschool by 8:45AM then I can be done by 2PM
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