Lecture Notes 6

Lecture Notes 6 - A BRIEF NOTE ON NON-TRUTH FUNCTIONAL...

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31 A BRIEF NOTE ON NON-TRUTH FUNCTIONAL OPERATORS: EXAMPLE: P: THE FRENCH REVOLUTION OCCURRED TRUE Q: THE AMERICAN REVOLUTION OCCURRED TRUE NOW LOOK AT THE FOLLOWING CLAIMS: P AFTER Q (TRUE) Q AFTER P (FALSE) THE TRUTH VALUE OF THE TWO-PLACE OPERATOR AFTER IS NOT DETERMINED BY THE TRUTH VALUES OF THE COMPONENTS (P AND Q) THEREFORE, WE CAN SAY THAT AFTER IS NOT TRUTH FUNCTIONAL SENTENCES THAT ARE NON-TRUTH FUNCTIONALLY COMPOUND ARE TREATED AS SIMPLE SENTENCES. A BRIEF NOTE ABOUT CONDITIONALS: MATERIAL CONDITIONAL - THE TYPE OF CONDITIONAL DEFINED BY TRUTH TABLE WE ARE DISCUSSING IN THIS CLASS INDICATIVE CONDITIONAL- NO FORMAL DEFINITION, UNFORTUNATELY, MATERIAL CONDITIONALS ALLOW FOR STRANGE THINGS LIKE: IF 77 IS EVEN, THEN 77 IS ODD IF THE WORLD IS ON THE BACK OF A TURTLE, THEN YOU ARE A STUDENT AT USC THESE ARE BOTH TRUE INTERPRETED AS MATERIAL CONDITIONAL STATEMENTS, BUT DON T SEEM TO BE RIGHT THE WAY WE NORMALLY USE IF. ..THEN. .. STATEMENTS IN ENGLISH. COUNTERFACTUAL CONDITIONAL- STATEMENTS ABOUT WHAT
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This note was uploaded on 12/07/2010 for the course PHIL 250A at USC.

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Lecture Notes 6 - A BRIEF NOTE ON NON-TRUTH FUNCTIONAL...

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