Questions tagged [intuition]

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Does modus tollens capture the essence of “necessary condition”?

Does modus tollens capture the essence of "necessary condition"? (1) P → Q, ¬Q, … so ¬P. (2) So Q is a necessary condition of P. Is (1) the inner structure of (2)? Are any of these true: The ...
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what is called the view that all knowledge “bottoms out” in intuition and/or psychological prejudice?

Suppose I see a tree through my window; I naturally believe that there's a tree outside. From my experience, I simply intuit (so it seems to me) the existence of that tree. Of course, I could ...
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Contemporary philosophers on intellectual intuition?

The 18th-19th century German philosophers (the so-called "German Idealists"), and other Post-kantian philosophers have used the term "intellectual intuition" in slightly different ways, but generally ...
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Contradiction about intuition and concept in critique of pure reason

B377: intuitions and concepts are objective perception. B75: intuition and concept can be emprical or pure, if emprical, then the representation mixed with sensation. B377 suggests intuition and ...
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3answers
199 views

In mathematics , can't we say that the intuition of the original author of a true conjecture is the proof of it just indescribable on paper- pen

I think that when a person put on a true conjecture in mathematics (we have verified it to be true) ,proof must came in his mind in the form of what we called intuition. I mean if his saying is ...
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What is the difference between aptitude and Intuition? [closed]

What is the difference between aptitude and Intuition?
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215 views

What properties does “intuition” need in order to be counted as philosophical evidence?

Timothy Williamson (2008) has argued that we should not construe philosophical evidence as consisting of intuitions. Do intuitions generate philosophical evidence? And, if so, what sort of evidence ...
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Is there a theory that trying to solve intuition and fear at the same time?

I'm looking for a school of thought or theory that solves these problems, preferably at once: The way to make a profound, advanced knowledge more straightforward and imaginative, without having to ...
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126 views

At base, do all disagreements in philosophy come down to differences in intuition?

I am coming at this from outside philosophy, though I have had a lifelong amateur interest. It seems to me that rigorous philosophical writing sets out clear axioms before using propositional logic to ...
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2answers
533 views

What is the nature of moral intuition according to Haidt?

Jonathan Haidt asserts that moral judgment is primarily given rise to by intuition. Now intuition is used in many different senses of which I want to emphasize the meaning "as opposed to instinct", ...
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133 views

Do biological studies on intuition reject the idea of “intellectual intuition”?

Philosophers throughout the history (most known to me are from the German Idealism school) have used the idea of an "intellectual intuition" - often (in German Idealism) the way that a certain "genius"...
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What is the role of the a priori nature of time in intuitionism?

According to Brouwer, intuitionists abandoned Kant's apriority of space but adhered to the idea that time was a priori. This Intuitionism considers the "falling apart of moments of life into two ...
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What is “intuition” for Kant?

Intuition appears to be a relatively abstract concept, an incomplete cognition, and thus not directly experienceable. Kant says that all knowledge is constituted of two parts: reception of objects ...
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701 views

Are analogies between ethics and mathematics philosophically coherent?

Analogies between ethics and mathematics are pretty common – probably because of their shared a priori nature. Philosophical laymen use them, like “Scott Alexander” (no, you don't need to know him), ...
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745 views

How come intuitive thinking is related to constructing a proof?

I am researching Constructivism and Intuitionism. I can't understand why Intuitionism and Intuitionistic Logic are named as they are. Intuitionistic logic requires constructing a proof of every ...
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353 views

How can one intuit that P → Q ≡ ¬P ∨ (P ∧ Q)?

I have not succeeded in intuiting P → Q ≡ ¬P ∨ Q in the sense of imagining how one would conjecture or divine the equivalence without any "foreknowledge" of ¬P ∨ Q to invoke formal proofs or truth ...
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1answer
140 views

What do dual-intuitionistic and minimal logic model?

As someone interested in theoretical computer science, I'm fairly comfortable with what intuitionistic logic represents. An intuitionistic proof is a proof we can act upon algorithmically. The law of ...
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1k views

Intuitively, why are Universal Statements true in the Empty Universe?

Source: p 165. Sweet Reason: A Field Guide to Modern Logic (2010 2 ed) by Henle, Garfield, Tymoczko. I read this on Math SE; please advise if it pertains to my simpler question.   One property of ...
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Is 'intuition' the most correct term?

What terms should I use to request (more verbal or informal) explanations like the answers to these questions tagged 'intuition'? I ask because the following comment implies that 'intuition' may not ...
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401 views

Intuitively, why does (B → S) ≡ (¬B ∨ S)?

I pursue only intuition; please do not answer with formal proofs or Truth Tables. I comprehend the following explanation, but it still does not supply the intuition and I sense a deeper, directer, ...
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819 views

What makes the material conditional material?

What makes the material conditional material (also called the material implication)? What does this logical connective have to do with matter? Googling doesn't seem to help.
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Does this justify truth-table of material conditional?

I'm sure someone has thought of this before, but I haven't seen this justification (if it is one at all) for why the truth-table of the material conditional is the way it is in both literature on the ...
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746 views

What is wrong with my intuition of Modus Tollens?

Abbreviate Modus Tollens to MT, Necessary Condition to NC, and Sufficient Condition to SC. I pursue only intuition; please do not answer with formal proofs or Truth Tables. I already know of the ...