Lecture #5 - Philosophy 12A Lecture #5 In-class mid-term...

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Philosophy 12A Lecture #5 2/2/10 In-class mid-term has been moved up 1 week (to March 11) English LSL III o and, yet, but, however, moreover there is often more to the meaning of but, nevertheless, still, although, however than merely ‘and’. On the other hand, there are fewer English expressions that we will symbolize using ‘v’. Typically, these involve either ‘or’ or ‘either…or’ Unless = v We use to symbolize many different expressions (p q) o If p (antecedent) then q (consequent) (if in a p situation, then you’re also in a q situation) o P implies q o P only if q o Q if p o P is a sufficient condition for q o Q is a necessary condition for p o Q provided p o Q whenever p o P is contingent upon q English LSL V: More on Conditionals and Biconditionals It is important not to confuse necessary conditions with sufficient conditions (or,
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This note was uploaded on 04/20/2010 for the course PHIL 63170 taught by Professor Fitelson during the Spring '10 term at University of California, Berkeley.

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Lecture #5 - Philosophy 12A Lecture #5 In-class mid-term...

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