Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments...
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Transcript of Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments...
![Page 1: Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments –Form –Valid/Invalid –Soundness Categorical syllogisms.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc91a28abf838ca9137/html5/thumbnails/1.jpg)
Chapter 13:Categorical Propositions
![Page 2: Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments –Form –Valid/Invalid –Soundness Categorical syllogisms.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc91a28abf838ca9137/html5/thumbnails/2.jpg)
Categorical Syllogisms (p. 141)
• Review of deductive arguments– Form– Valid/Invalid– Soundness
• Categorical syllogisms concern relations among classes.
• They were first discussed by Aristotle (384-322 BCE)
![Page 3: Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments –Form –Valid/Invalid –Soundness Categorical syllogisms.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc91a28abf838ca9137/html5/thumbnails/3.jpg)
Categorical Propositions (pp. 142-144)
• Categorical Propositions state relations among classes of objects.
• Quantity– Universal– Particular– Singular
• Quality– Affirmative– Negative
![Page 4: Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments –Form –Valid/Invalid –Soundness Categorical syllogisms.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc91a28abf838ca9137/html5/thumbnails/4.jpg)
Categorical Propositions (pp. 142-144)
• Four forms of categorical propositions– Universal Affirmative (A): All dogs are
mammals.– Universal Negative (E): No cats are dogs.– Particular Affirmative (I): Some dogs are
collies.– Particular Negative (O): Some dogs are not
schnauzers.
![Page 5: Chapter 13: Categorical Propositions. Categorical Syllogisms (p. 141) Review of deductive arguments –Form –Valid/Invalid –Soundness Categorical syllogisms.](https://reader036.fdocuments.us/reader036/viewer/2022083009/5697bfc91a28abf838ca9137/html5/thumbnails/5.jpg)
Categorical Propositions (pp. 142-144)
• Standard form categorical propositions– It has a quantifier, which is either ‘all’, ‘no’, or
‘some’.– It has a subject term, which is immediately to
the right of the quantifier.– It has a form of the verb ‘to be’, which is
immediately to the right of the subject term.– It has a predicate term, which is immediately
to the right of the verb.