Determine the validity of the following arguments using Venn diagram. Give justifications for your answer. Some useful things are interesting. No widgets are useful things. So, some widgets are not interesting. All dreamers are romantic. Therefore, because some dreamers are idealists, some idealists are romantic. All egoists are humanitarians. Hence, because some humanitarians are sweatshop owners, some sweatshop owners are egoists.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Determine the validity of the following arguments using Venn diagram. Give justifications for your answer.
Some useful things are interesting. No widgets are useful things. So, some widgets are not interesting.



All dreamers are romantic. Therefore, because some dreamers are idealists, some idealists are romantic.



All egoists are humanitarians. Hence, because some humanitarians are sweatshop owners, some sweatshop owners are egoists.



Some meteorologists are forecasters. Some psychics are not meteorologists. So, some forecasters are psychics.



All doctors are genius. Some psychics are doctors. So, some psychics are genius.

 

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