16 - Summary of results so far Parmenides is offering an...

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Summary of results so far Parmenides is offering an argument in support of his central thesis: (CT) That which is not cannot be thought about or spoken about. In this first stage, he presents his argument. In stage 2, he will go on to draw the logical consequences of CT. Note that there are three crucial ideas involved here: a. Existence (what actually exists). b. Possibility (what can exist). c. Conceivability (what can be thought about). Parmenides’ two premises link these ideas. One premise (step (4) in the argument) links (b) to (c): what can be thought of = what can exist. The other premise (step (5) in the argument) links (a) to (b): what can exist does exist; what is, must be. Taken together, the two premises link (a) to (c): what can be thought of = what actually exists. Formal reconstruction of the argument for the central thesis (CT) Premises: a. A thing can be thought about only if it is possible for it to exist. [= step (4) above] b. Anything that does not exist, cannot exist. [= step (5) above]
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This note was uploaded on 01/31/2011 for the course PHILOSOPHY 101 taught by Professor Markelwin during the Summer '09 term at UC Davis.

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16 - Summary of results so far Parmenides is offering an...

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