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The Venn Diagram Step Sheet -...

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Philosophy 110: Logic & Critical ThinkingThe Venn Diagram Test for Validity:A ReviewNone of this information is new, but I figure it might help to stick it all together in oneplace.1. The Venn Diagram Test is a test for evaluating the validity or invalidity of an argument.2. Also, the Venn Diagram Testonlyworks for categorical syllogisms. If an argument is not
a categorical syllogism, then don’t try to use Venn diagrams on it. In particular, do notconfuse the valid and invalid argument forms with categorical syllogisms.3. The way the Venn Diagram Test works for evaluating validity and invalidity, is that weuse the diagram to represent all the categoryLtype information in the premises. Then wecheck to see: is that information already enough toforcethe conclusion to be true as well?Or is that information from the premises stillconsistentwith the conclusion somehowturning out to be false?

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Term
Fall
Professor
STAFF

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