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Questions tagged [rationality]

Rationality is the use of reason to find the truth based on facts and to decide how to act to achieve desired goals. Also use this tag for questions regarding any view or intellectual movement which holds rationality in high regard and accepts it as the only legitimate way to get to the truth.

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Can the sexual double standard be justified according to this logic/reasoning?

The sexual double standard is a social phenomenon where the sexual value of males and females are evaluated differently, based on their sexual history with sexual partners of the opposite sex. Given ...
user avatar
7 votes
2 answers
864 views

Is it ever rational to stumble onto the conjunction fallacy in probability?

The conjunction fallacy is the phenomenon where many people believe that the probability of the event (A AND B) is strictly greater than the probability of the event A. It is usually thought of as an ...
user107952's user avatar
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7 votes
9 answers
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Is desire closed under logical equivalence?

Suppose some person P desires a statement S to hold. Also, S is logically equivalent to S'. Does this mean that P desires S' also? Basically, is desire closed under logical equivalence?
user107952's user avatar
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1 vote
3 answers
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What is the basis of the sunk cost fallacy?

Is the so called sunk cost fallacy truly a total fallacy, or does it have some kernel of truth? Certainly it is a widespread instinctive/impulsive form of reasoning. Presumably it must then have had ...
Seeking answers's user avatar
1 vote
4 answers
145 views

How does one test their credences of belief?

Suppose I feel that event A is more plausible than event B. How can I test, verify, or falsify this? For example, suppose I have a belief that my partner is cheating on me. Suppose I have another ...
thinkingman's user avatar
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2 votes
3 answers
155 views

How to rationally decide between two events A and B having happened

If someone listed you an event A and an event B, told you that only one of those events happened today, and then asked you which one would you bet on, how should one make this bet? Initially, I was ...
thinkingman's user avatar
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5 votes
2 answers
540 views

Which philosophers have considered irrational conviction

It seems a characteristic of humans to be convinced about a matter in the absence of overwhelming evidence, even where logic suggests that are other valid alternative positions to take. We see this in ...
Marco Ocram's user avatar
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6 answers
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Does philosophy rely on intuitions? If so, does this mean all of philosophy is nothing more than hunches?

Does philosophy rely on intuitions? If so, and all of philosophy comes down to intuition, how can one person be deemed to be more rational than other? In this world, most would agree that you cannot ...
thinkingman's user avatar
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1 vote
1 answer
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Lumen naturale, Lumen gratiae, Lumen fidei, what are they?

Unfortunately, I'm unable to locate a good source to cite on these terms you see in the question title. Below is a short abstract based on Google. Natural light (lumen naturale), equivalent to lumen ...
Agent Smith's user avatar
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1 vote
6 answers
125 views

Is there a philosophy ideology that "whatever is beneficial to me, is the reasonable thing"?

I have run into such people more frequently, and it is: whatever that is beneficial to them, that's the correct thing. (or the reasonable thing). Is there a philosophy explanation or term for this ...
Stefanie Gauss's user avatar
2 votes
5 answers
131 views

Can you lose something that you don't care about?

I'm new to philosophy and as of now, I don't have any knowledge related to what he said in order to properly redirect him to a source that mentions something similar. His philosophy goes like this: If ...
Fodorina's user avatar
4 votes
1 answer
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Is it irrational to care more about the last candy in the bag than the others, and if so, does the fallacy have a name?

I have a bag of candies. Someone else asks if they can have one. If the bag is still full, I have no issues, and tell them they are welcome to take one. If there is only one left in the bag, I am much ...
Arthur's user avatar
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3 votes
2 answers
106 views

Given a positive ontological claim X, is not-X the default position?

Given a positive ontological claim X, I see at least four different subjective positions one could adopt regarding X: I believe that the evidence provides persuasive reason to believe that X is true (...
user avatar
2 votes
4 answers
165 views

Isn't it rationality circular reasoning?

Rationalists say that reason is the source of ultimate truth or logic. Reason is absolute but if reason is absolute then won't defending it through reason be a circular reasoning? Like you can't ...
Schnoz's user avatar
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2 votes
0 answers
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Can you help me understand Derek Parfit's thought experiment?

This is an excerpt from Parfit's Reasons and Persons. I can't totally wrap my head around it. Of course, I get the basic idea: Kate is a writer who works too hard. Her work makes her happy. But she ...
Benjamin Grange's user avatar
0 votes
1 answer
75 views

Argument for a social conception of objective morality

What might some objections to this argument be? By definition a rational agent is, when exercising their agency, evaluating different courses of action before deciding among them. The actions they ...
Joa's user avatar
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2 answers
203 views

Graham Priest's "escape from Hell" puzzle

The gist of the puzzle is that every day, the Devil offers to flip a coin to see if you escape; one loss and you're guaranteed to be stuck forever, but each day the probability of a winning toss ...
Kristian Berry's user avatar
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0 answers
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Is a decision made before the rationalization?

Well, I was listening to a podcast in Spanish and a great scientist was saying that there are studies that are seeing that decision making is not as rational as we think it is. He says that the moment ...
WiseMode's user avatar
-1 votes
6 answers
156 views

What is "rational"?

Rational = x x = ? I've been defining words for myself for a while and one that I haven't defined rational yet. Anyone have a good definition for one, on a basis of utilitarianism.
Swift360's user avatar
0 votes
0 answers
76 views

What is this view called or have anyone argued for such view? We don't have free will to commit suicide

2 possible descriptions: View A. suicide is rational in the vast majority of cases but we don't have free will (biologically) to commit suicide i.e. a healthy brain can't cause a suicidal behaviour, ...
nikishev.'s user avatar
0 votes
0 answers
43 views

Does Aumann's agreement theorem extend to moral propositions?

Aumann's agreement theorem says: two perfectly rational agents with the same prior estimate of an event's probability and common knowledge of one another's posterior estimates cannot come to ...
causative's user avatar
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9 votes
6 answers
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Does determinism prevent rationality?

If hard determinism is true, and our thoughts are merely the results of a causal chain of atomic interactions, are reason and logic illusory? This matter has likely been discussed in another thread, ...
Futilitarian's user avatar
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0 answers
30 views

Would it be fallacious to assume rationality presumes pre-emptive knowledge?

In short, would it be a fallacy to presume that rational thinking (as opposed to empirical thinking) leads to the conclusion that all knowledge is innately contained a priori? In that sense, all ...
DanielFBest's user avatar
0 votes
0 answers
50 views

How do Rational Egoists Respond to Psychology?

Rational egoism is the position that humans always act rationally and to further the actor's self-interest. But ever since Carl Jung psychologists have pretty much been in agreement that humans do not ...
E Tam's user avatar
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0 votes
0 answers
27 views

What is the distinguishing factor between conviction and threat?

What is the distinguishing factor between conviction and threat? I want my friend to restrain from doing an action. I am showing him the bad consequences of the action thus, I am trying to convince ...
Sazzad Hissain Khan's user avatar
2 votes
3 answers
566 views

What's the difference between morality and rationality?

What's the difference between morality and rationality? Some of my friends argue with me saying, What is rational is what is moral I do not believe so because, I believe there are absolute moral ...
Sazzad Hissain Khan's user avatar
1 vote
3 answers
214 views

Does Parfit's self-interest theory imply that you should be never self-denying?

In "Reasons and Persons", Derek Parfit introduces a "self-interest" theory of rationality, which says you should ensure that your life goes as well as possible. In §3 (p. 9 in my ...
Josh Hunt's user avatar
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-2 votes
3 answers
119 views

Is rational to logical as rectangle is to square?

That is, if X is logical, is it necessarily rational? What's an example of something that is rational, but not logical. If logical does not necessarily imply rational, what's an example of something ...
user avatar
6 votes
4 answers
282 views

Question about Cogito, ergo sum

As far as I know Decartes tried to prove that he existed from the fact that he was thinking. And he thought this was only proof. My question is following: -- why is the argument brought up above, ...
don's user avatar
  • 69
1 vote
1 answer
116 views

How does Kant argue that all people have moral dignity

How does Kant argue that all people have moral dignity, the ability to conform to a moral law in which all people are ends only. I have not substantially read Kant, but it occurred to me, suddenly / ...
user avatar
0 votes
3 answers
65 views

According to game theory, are people trustworthy? [closed]

According to philosophical presumptions of game theory, are people trustworthy if there are incentives (profit and less loss) involved in lying? And if this question isn't entirely accurate as a ...
Philosophy101's user avatar
2 votes
3 answers
247 views

Why should we treat others as *always* rational when they are not?

In Kantian system, murdering is nonrational because it cannot become a universal law. Yet Kant insists that it's immoral to lie to murderers. This is the same with saying they are rational being, ...
Ooker's user avatar
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0 votes
3 answers
1k views

How do ethicists tackle the question "Is it immoral to have sex in public places?" Is it possible to use rational and empirical ideas to answer?

Is it immoral to have sex in public places? If so, what are the rational and empirical reasons? Most people believe it’s immoral to have sex in public places. Have ethicists come up with any good ...
Sazzad Hissain Khan's user avatar
0 votes
0 answers
47 views

According to Kant, which one is an autonomous being: me or my rationality?

If we consider a person's identity lies not in his rationality, but in, say, his body or his consciousness, then it seems not so obvious why we can regard a person as autonomous simply from the status ...
inverse's user avatar
-2 votes
2 answers
265 views

Can "why-is" close the "is-ought" gap? [closed]

[UPDATE: Clarified that choosing what-ought-to-be from what-can-be is based on our knowledge of ourselves, not on our knowledge of good and evil] “I know you won't believe me, but the highest form of ...
Yuri Zavorotny's user avatar
6 votes
1 answer
216 views

Can animals follow logical rules of inference?

I've been trying to recall a thought experiment, which I very vaguely remember to have come across either in Davidson or Dennett, that considers the following scenario: A hound is chasing its quarry ...
alghazali's user avatar
3 votes
3 answers
472 views

What are the most rational basic beliefs?

I understand that this question might be difficult or even unresolved. But within a foundationalist view of knowledge, has anyone proposed a set of basic beliefs that seem to be the most rational for ...
blue-raven's user avatar
4 votes
1 answer
478 views

What does rationalism prove that empiricism can not?

I have always had trouble understanding rationalism. I am very unclear as to what a rationalist can prove that an empiricist cannot. Are their any examples of something or a situation being ...
Noah's user avatar
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1 vote
0 answers
58 views

An attempt at reconstructing the reasoning behind Kant's universalization principle

Please let me know whether you detect objectionable points in my attempt at reconstructing Kant's universalization principle. Reference : Groundwork of the Metaphysics of Morals. https://en....
user avatar
7 votes
5 answers
356 views

Philosophical framework for avoiding short-term strategies

In business and politics, often decision-makers make decisions that cause short-term gain, but long-term loss. So economically, this might be an unreasonable (lossy) and thus irrational process. Is ...
tkruse's user avatar
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-1 votes
1 answer
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Recent versions of books such as Critique of Pure Reason

I am looking for books which have a critical view on reason and rationality especially in the light of all the new things we currently know in 21st century. In a sense maybe new versions or iterations ...
wiki's user avatar
  • 119
7 votes
1 answer
163 views

Can it be rational to have beliefs one knows to be inconsistent?

It seems that the answer would be yes, especially when we think about the example of the preface paradox (authors stating in prefaces "the errors that are found herein are mine alone", i.e. believing ...
mrnobody's user avatar
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2 votes
2 answers
782 views

How is rationalism still used today?

This was a test question in my class I thought I had the right answer to, but apparently got wrong. How would you answer this? If experimental sciences demonstrate that empiricism has "won the day", ...
Noah's user avatar
  • 560
0 votes
5 answers
3k views

What is the difference between stupid and crazy? [closed]

What is the difference between stupid and crazy? Craziness is irrational, so what's the difference? Both involve a failure to function well. Is it that crazy serves a purpose, retroactively speaking? ...
user avatar
3 votes
9 answers
546 views

How can we decide which view to accept concerning our ultimate justification of our knowledge (Münchhausen trilemma)?

I recently came across the Münchhausen trilemma, which I think helps to explain my question. Basically, according to the trilemma, we have three options for explaining the ultimate justification of ...
Christian Dean's user avatar
0 votes
0 answers
22 views

Term for the idea that regardless of our philosophy, only the observable/physical matters

I'm looking for terms that define the following presuppositions: every action should be valued based on its outcomes, not choosing is a choice impact of an action must be valued based on the ...
Probably's user avatar
  • 683
2 votes
1 answer
272 views

How does Socrates's acting on a dream in Plato's Phaedo square with his rationality?

Socrates is a symbol of rational thinking. He called himself a lover of wisdom. But, on the other hand, he started to make music (poetry/composing) just on the direction of a voice that he heard in ...
Rahman's user avatar
  • 79
5 votes
3 answers
113 views

Are there writers on the topic of an inherent human bias towards the value of rational thinking?

Some people place humans as 'higher animals' because we are uniquely capable of rational thought, while most other animals are not. This assumes that the trait of rationality is superior to other ...
ning's user avatar
  • 151
2 votes
3 answers
663 views

Two Solutions to the Problem of Death

Many people have long been plagued with the fear of their eventual demise. But suppose in the future two possible solutions to the problem may be developed. The first solution is a pill that if taken,...
Kenshin's user avatar
  • 1,502
0 votes
3 answers
193 views

Is symbolic regression Popperian or inductivist?

This has been on my mind for a few days. I'd love a criticism of my arguments outlined here: https://groups.google.com/forum/#!topic/fallible-ideas/9bcC5WN6bLs. I'll re-issue them here: While ...
Dennis Hackethal's user avatar