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Can you prove a negative?

sdavio
Posts: 1,798
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4/12/2015 12:35:21 AM
Posted: 1 year ago
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

Yes. A positive assertion is always also negative regarding its inverse. You can't judge BOP just from whether a proposition is positive or negative.
"Logic is the money of the mind." - Karl Marx
NoTomorrow
Posts: 26
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4/12/2015 10:35:38 AM
Posted: 1 year ago
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

Sure you can.
Here's an easy one: I am not the smartest person in the world.

Of course, not all negatives can be proven.
Here's one: No negative can be proven.
LiberalProlifer
Posts: 803
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4/12/2015 3:33:04 PM
Posted: 1 year ago
At 4/12/2015 12:35:21 AM, sdavio wrote:
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

Yes. A positive assertion is always also negative regarding its inverse. You can't judge BOP just from whether a proposition is positive or negative.

Thank you. If I say that God does not exist, I need to prove it?
sdavio
Posts: 1,798
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4/12/2015 3:34:30 PM
Posted: 1 year ago
At 4/12/2015 3:33:04 PM, LiberalProlifer wrote:
At 4/12/2015 12:35:21 AM, sdavio wrote:
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

Yes. A positive assertion is always also negative regarding its inverse. You can't judge BOP just from whether a proposition is positive or negative.

Thank you. If I say that God does not exist, I need to prove it?

You need to prove it if you want to convince anyone :P.
"Logic is the money of the mind." - Karl Marx
Pase66
Posts: 775
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4/12/2015 9:43:00 PM
Posted: 1 year ago
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

For me, if it is shown that there is a major possibility of something not occurring/existing, than it "proves" a negative.
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LiberalProlifer
Posts: 803
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4/12/2015 9:54:10 PM
Posted: 1 year ago
At 4/12/2015 3:34:30 PM, sdavio wrote:
At 4/12/2015 3:33:04 PM, LiberalProlifer wrote:
At 4/12/2015 12:35:21 AM, sdavio wrote:
At 4/11/2015 11:31:17 PM, LiberalProlifer wrote:
I am just wondering.

Yes. A positive assertion is always also negative regarding its inverse. You can't judge BOP just from whether a proposition is positive or negative.

Thank you. If I say that God does not exist, I need to prove it?

You need to prove it if you want to convince anyone :P.

Thank you for helping me. I understand now.