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Unformatted text preview: PHL 200 11.8.07 I. II. III. IV. V. remind you of Rowe's definitions Anselm's 3-way distinction a. Reductio ad absurdum 4 sentences Rowe inspired schema Gaunillo's objection P.O (Possible Object): on left or logically possible to be on left I.O (Impossible Object): On right and logically impossible to be on left C.O (Contingent Object): Logically possible to be on other side of line than on N.O ( ): On left and logically impossible to be on right Things that exist Empire state bldg Dogs The Planet Mars God: The Greatest Conceivable Being (G.C.B) Things that don't exist Fountain of youth Unicorns Abominable Snowman 4 sided triangles Exists In Mind Unicorn Hubbard Hall G.C.B Exists in Reality Hubbard Hall Chair Exists only in Mind Unicorn G.C.B 1. The G.C.B exists in the understanding (in the mind) 2. The G.C.B could have existed in reality (The GCB is a possible being) 3. If something exists only in the understanding and could have existed in reality, then it could have been greater than it is. 4. Suppose that the GCB exists only in the understanding [ assume for reductio] 5. The GCB could have been greater than he is [2,3,4] 6. the GCB is a being of which a greater in conceivable  7. The GCB is not the GCB  8. So, it is false that the GCB exists only in the understanding[4-7 reductio] 9. The GCB exists in reality as well as in the understanding[1,8] ...
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This note was uploaded on 03/29/2008 for the course PHL 200 taught by Professor Dowell during the Fall '08 term at Michigan State University.
- Fall '08