Philosophy Lexicon of Arguments

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Stalnaker, Robert
 
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Impossible World I 58
Contradiction/LewisVsimpossible world/Lewis: There is no object, no matter how fantastic, about which one could say the truth by contradicting oneself.
I 58
Impossible world/Stalnaker: problem: if it is defined by a contradiction P and ~P. - Then this contradiction is transmitted to the real world - through the modal operator in w, P. - Because it is then true in the real world that it is true in the other possible world.
I 59
Another problem: if there is a impossible world., the possible world with P and those with ~P are no longer complements. - Problem: even the most bizarre possible world will not be at the same time in a set of possible worlds and its complement.
I 62
Solution: New Def impossible world: about which a contradiction is true - This does not makes the real world impossible.
I 63
Impossible world/Actualism/Stalnaker: the actualist has no problems with impossible world, because he can simply understand them as conflicting sets of propositions. - LewisVs/LewisVsreplacement world: conversely, propositions are sets of possible worlds.

Sta I
R. Stalnaker
Ways a World may be Oxford New York 2003


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> Counter arguments in relation to Impossible World



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Ed. Martin Schulz, access date 2017-03-26