Author Topic: A new argument against the Ontological Argument.  (Read 187 times)

mariomartb

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A new argument against the Ontological Argument.
« on: July 28, 2017, 12:53:28 AM »
I want to know how strong do you find this argument against God existence:

1.   It is possible that for all conceivable X there is one conceivable Y such that Y is greater than X (This is not logically incoherent, so the possibility is warranted).
2.   For all X it is possible that if X is conceivable, then there is one conceivable Y such that Y is greater than X. (from (1) by  the modal operator’s properties).
3.   For all X, if X is conceivable, then it is possible that there is a conceivable Y such that Y is greater than X (from (2) by the modal operator’s properties).
4.   For all conceivable X there is a conceivable Y such that Y is greater than X (from (3): if Y is possibly conceivable then Y is conceivable).
5.   There is no conceivable Y such that Y is greater than God (definition).
6.   God is not conceivable. (from (4) and (5) by modus tollens).
7.   Necessarily God does not exist. (from (6) by the definition of conceivable: what is conceivable is that which possibly exists, then what is not conceivable is that which necessarily does not exist).

Thoughts?

 

anything