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Atheist Forums › Community › Religion v
Necessity is not evidence

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Necessity is not evidence
MindForgedManacle Offline
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#31
RE: Necessity is not evidence
May 10, 2014 at 10:38 pm
(May 10, 2014 at 9:58 pm)Chas Wrote: Except that it is not valid.

"Premise 3: If the MGB exists in some possible world, then the MGB exists in all possible worlds"

This is an invalid flip from 'there exists' to 'for all'. Logic fail.

And if you looked into Maydole's argument, you'd know that a Maximally Great Being possesses the property of necessary existence. And things that are necessarily the case are such in all possible worlds. You in fact accept this yourself. That is, unless you're going to say that there are possible worlds where 2+2 =/=4?

It's not a logic fail, as it is a deductively valid argument in axiom S5 of modal logic.
"The reason things will never get better is because people keep electing these rich cocksuckers who don't give a shit about you."
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Atheist Forums › Community › Religion v
Necessity is not evidence

Messages In This Thread
Necessity is not evidence - by Foxaèr - May 8, 2014 at 3:33 am
RE: Necessity is not evidence - by Esquilax - May 8, 2014 at 3:38 am
RE: Necessity is not evidence - by jesus_wept - May 8, 2014 at 3:44 am
RE: Necessity is not evidence - by RobbyPants - May 8, 2014 at 10:00 am
RE: Necessity is not evidence - by Minimalist - May 8, 2014 at 11:59 am
RE: Necessity is not evidence - by downbeatplumb - May 8, 2014 at 12:43 pm
RE: Necessity is not evidence - by Anomalocaris - May 8, 2014 at 12:55 pm
RE: Necessity is not evidence - by MindForgedManacle - May 9, 2014 at 1:21 am
RE: Necessity is not evidence - by Esquilax - May 9, 2014 at 1:34 am
RE: Necessity is not evidence - by Neo-Scholastic - May 9, 2014 at 12:16 pm
RE: Necessity is not evidence - by downbeatplumb - May 9, 2014 at 12:46 pm
RE: Necessity is not evidence - by Neo-Scholastic - May 9, 2014 at 1:57 pm
RE: Necessity is not evidence - by Esquilax - May 9, 2014 at 1:38 pm
RE: Necessity is not evidence - by Ryantology - May 10, 2014 at 2:03 am
RE: Necessity is not evidence - by Deepthought - May 10, 2014 at 10:46 am
Necessity is not evidence - by Rampant.A.I. - May 9, 2014 at 12:32 pm
RE: Necessity is not evidence - by Neo-Scholastic - May 9, 2014 at 12:42 pm
RE: Necessity is not evidence - by Chas - May 10, 2014 at 7:42 am
RE: Necessity is not evidence - by Anomalocaris - May 9, 2014 at 12:56 pm
RE: Necessity is not evidence - by DeistPaladin - May 9, 2014 at 1:36 pm
RE: Necessity is not evidence - by JesusHChrist - May 9, 2014 at 2:11 pm
RE: Necessity is not evidence - by MindForgedManacle - May 10, 2014 at 1:17 am
RE: Necessity is not evidence - by Esquilax - May 10, 2014 at 2:02 am
Necessity is not evidence - by Rampant.A.I. - May 10, 2014 at 3:01 am
RE: Necessity is not evidence - by MindForgedManacle - May 10, 2014 at 3:22 am
Necessity is not evidence - by Rampant.A.I. - May 10, 2014 at 4:38 am
RE: Necessity is not evidence - by MindForgedManacle - May 10, 2014 at 9:46 am
RE: Necessity is not evidence - by Chas - May 10, 2014 at 10:40 am
RE: Necessity is not evidence - by MindForgedManacle - May 10, 2014 at 11:51 am
RE: Necessity is not evidence - by Chas - May 10, 2014 at 9:58 pm
RE: Necessity is not evidence - by MindForgedManacle - May 10, 2014 at 10:38 pm
RE: Necessity is not evidence - by Chas - May 11, 2014 at 2:19 pm
RE: Necessity is not evidence - by Neo-Scholastic - May 11, 2014 at 12:59 am
RE: Necessity is not evidence - by eyemixer - May 11, 2014 at 1:10 am
Necessity is not evidence - by Rampant.A.I. - May 11, 2014 at 1:58 am
RE: Necessity is not evidence - by Cheerful Charlie - May 11, 2014 at 2:59 pm
RE: Necessity is not evidence - by MindForgedManacle - May 11, 2014 at 5:51 pm
Necessity is not evidence - by Rampant.A.I. - May 12, 2014 at 4:50 am
RE: Necessity is not evidence - by MindForgedManacle - May 12, 2014 at 1:42 pm
RE: Necessity is not evidence - by Chas - May 12, 2014 at 1:54 pm
RE: Necessity is not evidence - by Aisha - May 12, 2014 at 1:52 pm
Necessity is not evidence - by Rampant.A.I. - May 12, 2014 at 2:17 pm
RE: Necessity is not evidence - by Neo-Scholastic - May 12, 2014 at 2:23 pm
RE: Necessity is not evidence - by MindForgedManacle - May 12, 2014 at 2:27 pm

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