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Questions tagged [descartes]

Questions related to René Descartes (31 March 1596 – 11 February 1650)

91 votes
22 answers
56k views

Could 'cogito ergo sum' possibly be false?

I've heard it postulated by some people that "we can't truly know anything". While that does seem to apply to the vast majority of things, I can't see how 'cogito ergo sum' can possibly be false. ...
Jez's user avatar
  • 2,039
11 votes
5 answers
1k views

How far can/should one press philosophical doubt?

Should we keep on questioning until nothing is left to question or is there a point on which we need to stand (which we often tend to do)? Descartes used 'I think' as this fixed point where the ...
Ather Cheema's user avatar
2 votes
2 answers
381 views

Can Cogito, ergo sum be formalized?

I was wondering lately whether Descartes argument for the existence of undoubtable truth could be formalized. I tried to formalize his argument in FOL, but only his light version proving that there ...
Eauriel's user avatar
  • 163
2 votes
8 answers
13k views

Is my argument against Descartes's "I think, therefore I am", logically sound?

Disclaimer: I have answered each and every answer here on the comments where I think they are wrong. So far, I have not been able to find my mistake or anyone clearly admitting Descartes's. I am ...
user avatar
14 votes
2 answers
1k views

Does the Simulation Argument differ in essence from the Evil Genius puzzle?

I recently read an article that suggested we might be able to determine if we are part of a computer simulation run by our descendants. The idea seemed far-fetched, but after looking around, I see ...
Jon Ericson's user avatar
  • 7,325
5 votes
4 answers
3k views

Descartes vs Buddha - Was Descartes wrong?

Descartes imagined an Evil Demon to suggest that the external world could be a complete illusion. This Evil Demon would have the power to trick all your senses. This idea is similar to the Buddhist ...
user avatar
1 vote
2 answers
2k views

Quotations from Descartes on Animals as Automata

Animals do not feel pain and are automata. This view is commonly attributed to Descartes. And I would agree that in his philosophy no other conclusion makes sense. But still, I want to distinguish ...
viuser's user avatar
  • 4,841
9 votes
3 answers
2k views

Defenses of Descartes's rationality in regards to "cogito" fallacy?

What philosophers and in what writings, if any, have attempted to explain or defend Descartes's rationalism in respect to the "cogito ergo sum" fallacy pointed out by philosophers like Russell, and ...
Kyle's user avatar
  • 91
7 votes
1 answer
5k views

How does Descartes determine that the idea of God has more objective reality than finite substance?

Descartes's third meditation, which sets out to prove the existence of God from previous considerations, confuses me greatly. Descartes appears to be trying to make an argument that the source must ...
Cicero's user avatar
  • 701
7 votes
4 answers
2k views

Descartes' Demon

This week I've been given to study from my highschool teacher Descartes' Demon argument but I have several doubts I fully understand it ,but let me put this in clear order : 1) I understand that ...
Jean Leroi's user avatar
6 votes
3 answers
783 views

How does Descartes use god in his Meditations?

How does Descartes use god to avoid answering certain questions directly?
Zedd's user avatar
  • 123
5 votes
4 answers
1k views

"I think, therefore I am" - How does "I" establish "I" before "I" can "think"?

The famous Cogito ergo sum opens with "I" can think, therefore "I" am. How does "I" establish "I" before "I" can "think"? in other words how did "I" establish "I" before it could think in the first ...
user1983's user avatar
2 votes
1 answer
935 views

Is the Cartesian methodological doubt deeply flawed?

In order to acquire irrefutable knowledge, Descartes first doubted everything, even the existence of an external world. Then, starting from the "cogito, ergo sum", he started proving the existence of ...
Otavio Macedo's user avatar
1 vote
2 answers
779 views

How can we know that we're thinking?

How can we know there isn't an illusion of thought? This question stems from Descartes' assertion of "I think, therefor I am." He regards the notion that he thinks as an absolute fact. But how does ...
Jacob Sloat's user avatar
1 vote
1 answer
3k views

What were DesCartes's conceptions of objectivity & subjectivity?

This summary of "Descartes's Basic Epistemological Argument" indicates his usage of the terms is different than a contemporary notion of objective as regardless of an observer and subjective ...
MmmHmm's user avatar
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