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  3. 1. show that the following argument is invalid by

1. Show that the following argument is invalid by writing out its logical form and substituting...

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Advance Math

1. Show that the following argument is invalid by writing outits logical form and substituting new terms that demonstrate itsinvalidity.

Some policemen are handsome

Some nurses are not handsome

Some policemen are nurses

2.Show that the following argument is invalid by writing out itslogical form and substituting terms that demonstrate itsinvalidity.

All planets are comets

All comets are stars

All stars are planets

3. Explain why the following argument is invaliddirectly (in other words, do not identify its logical formor create a new argument, but think of a specific counterexample tothis argument):

Book A has less than 50 pages

Book B has less than 100 pages

Book A has less pages than Book B

4. Explain why the following argument is invaliddirectly:

Frank’s favorite food is a fruit

Frank’s favorite food is yellow

Frank’s favorite food is a banana

5. Explain why the following argument is invaliddirectly:

Speedy is the name of something that can fly

Speedy has wings

Speedy is abird           

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