Questions tagged [ontology]

Ontology is the study of the nature of being, existence or reality as such, as well as the basic categories of being and their relations.

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Was mathematics invented or discovered?

What would it mean to say that mathematics was invented and how would this be different from saying mathematics was discovered? Is this even a serious philosophical question or just a meaningless/...
Ami's user avatar
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68 votes
29 answers
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Why is there something instead of nothing?

A simple but fundamental question. The "something" means the whole Universe (known and unknown), it could be represented as the reality version of the set of all sets, which is itself debated. It ...
Geoffroy CALA's user avatar
65 votes
9 answers
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What is the difference between metaphysics and ontology?

I know that ontology is a sub-field of metaphysics. But I can't see the difference between them. I mean ontology is defined as "The study of being and existence", and metaphysics is defined as "...
wajed's user avatar
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13 answers
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Do numbers exist independently from observers?

Do numbers have an objective existence? If life had not evolved on planet earth would there be numbers or are numbers an invention of human minds? Are there any relevant works that discuss this? (I ...
leancz's user avatar
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16 answers
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Does a negative claimant have a burden of proof?

I have often heard it said that the burden of proof is on the positive claimant but not on the one making a negative claim. A person claiming, "God exists" has a burden of proof but not a person ...
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35 votes
16 answers
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Fundamental idea on proving God's existence with science

I think that proving God's existence or any deity from any culture with the rigors of science is fundamentally absurd. The popular arguments usually involve space-time and the big bang theory. (I ...
TheLast Cipher's user avatar
34 votes
12 answers
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How can one differentiate nonexistent entities?

How is it possible for things that do not exist to not be the same? How can one differentiate nonexistent entities? How can I know the difference between ghosts and werewolves if neither exist?
Niklas Rosencrantz's user avatar
34 votes
9 answers
7k views

To what extent do we choose our beliefs?

Are we free to choose our beliefs? Or is our belief in a proposition something that is thrust upon us by the weight of the evidence we have in favor and against the truth of it? For example, is it ...
JDH's user avatar
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28 votes
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Where is the weakness in the ontological proof for God's existence?

I read the ontological proof for God's existence. As much as I understood, it says that if you consider that existence is part of essence, then the most complete essence should also exist. Now, I see ...
Saeed Neamati's user avatar
27 votes
17 answers
17k views

Are we living in a simulation? The evidence

I am not questioning whether the simulation topic is outside science. I am asking what evidence there is or could be to resolve whether we are or not. Living in a simulation has been a topic for ...
CriglCragl's user avatar
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26 votes
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Are there any philosophical arguments to disprove or weaken solipsism?

My philosophy professor once told our class: The only people who believe in solipsism are infants and madmen. I was inclined to agree at the time. Yet years later, I have still not encountered any ...
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25 votes
7 answers
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What is Philosophy? [closed]

What is a comprehensive definition of Philosophy? Alternatively, is it impossible to define Philosophy? This is a pseudo-meta question, but it seems like it belongs here.
22 votes
10 answers
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Is the truth a privative?

A privative is the absence of something, and as such doesn't exist. So cold is a privative, as it is merely the absence of heat. This question is inspired by this answer about a single noun for an ...
Matt Ellen's user avatar
22 votes
16 answers
46k views

Can something come out of nothing or not? Why?

In our current state of affairs it is safe and reasonable to assume something exists - be it a universe, pure conciousness, illusion or other designations. If some readers nevertheless claim something ...
Saul's user avatar
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21 votes
9 answers
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Does True Randomness actually exist? [duplicate]

I tend to think of randomness as a lack of complete information when it comes to knowing something. If we look at the history of probability theory it centers on a lack of knowing the exact outcome of ...
Pete1187's user avatar
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19 votes
18 answers
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Is Nothing actually imaginable?

It's possible to imagine something, for example a table, we see one everyday and can bring it in front of our minds eye (although it's a moot point whether we can see it - I certainly don't). But of ...
Mozibur Ullah's user avatar
18 votes
11 answers
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How can something non-physical exist?

One sees arguments for the existence of non-physical entities such as God, qualia, Plato's forms, objective ethical truths, etc... But what does it mean for something non-physical to exist? It ...
Alexander S King's user avatar
18 votes
7 answers
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How can the physical world be an abstract mathematical structure a la Tegmark?

This is Tegmark's short formulation of the "mathematical universe" (paraphrased by detractors as "reality made of math"), and he goes out of his way to stress that he means the "is" literally:"Whereas ...
Conifold's user avatar
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What are the connections between philosophy and semantic web?

I worked with semantic web technology, and got interested in philosophy out of it. In semantic web, concepts such as semantics, ontologies, and logical inferences are fundamental to understand the ...
Stefano Borini's user avatar
16 votes
16 answers
7k views

Why can't numbers be 'used up'?

I was speaking with a young student who has been learning about addition and subtraction (essentially functions, but he doesn't know that yet) with the idea of a 'number machine' and he could not ...
Confused's user avatar
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16 votes
4 answers
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Why do modern materialists tend to favor determinism?

There seems to be no logical link between matter and determinism (or ideal and indeterminism for that matter). And libertarian free will was first articulated by a materialist, Epicurus, and is ...
Conifold's user avatar
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15 votes
8 answers
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Is everyone considered a "philosopher"?

Is every person who has ever questioned what they did or what they are going to do a philosopher? Does this idea fall under philosophy in any way, or is it merely a semantic debate?
Dynamic's user avatar
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3 answers
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What essential properties make us human?

(Correct me if I am wrong) In ontology, essentialism is the belief that object O has property P, property P is therefore an ESSENTIAL property if there is something else which is not property P it is ...
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15 votes
5 answers
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What does "physical" mean to philosophers?

A childish question (literally) - My 8 year old asked me this morning: "Dad, what does 'physical' mean?" - and I found myself at loss for an ordinary language answer. Every answer I could come up ...
Alexander S King's user avatar
14 votes
10 answers
4k views

Does Santa Claus exist?

Consider the following reasons why the answer could be "yes": Plato-ish: The Santa Clauses in the children's minds, as well as the Santa Clauses you meet in the malls are the projections of the Santa ...
Michael's user avatar
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1 answer
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How many Platonic ideals are there?

Suppose you have an unripe banana that is yellow with a greenish tint. We could say that this banana partially embodies the platonic ideal of yellowness. We could also say that to a lesser degree it ...
Dimitris02's user avatar
13 votes
2 answers
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How many angels can dance on the head of a pin?

This question became a symbol for the silly and pointless sophistry of medieval scholastics. But as modern scholarship has shown scholastics was not such a thoughtless desert as some of its ...
Conifold's user avatar
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13 votes
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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 'links in bio' Ericson's user avatar
12 votes
7 answers
4k views

Could it be possible that the universe doesn't exist?

Could it be possible that the universe doesn't exist? That nothing exists, not even you or me? And by not existing, I mean totally not existing, as in not even existing as a computer simulation, or a ...
just a lil kid's user avatar
12 votes
9 answers
1k views

Are infinities in physics (or in any other materalist philosophy) actually possible?

Aristotle made a distinction between infinities that were in potential (dunamis) and in actuality (energia); and stated that actual infinities did not obtain in the physical world. This is the basis ...
Mozibur Ullah's user avatar
12 votes
9 answers
2k views

Does claiming something exists imply that the number 1 exists?

The number 1 is used in language when we make claims of existence concerning distinct well-defined objects. It seems then that to say the number 1 does not exist would imply that nothing exists at all....
REX's user avatar
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6 answers
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Are all concepts polar ?

Do all concepts operate in pairs such that in order to define one member of the pair we need to specify its opposite ? For instance, we cannot define 'nothing' without understanding - being able to ...
Bruno's user avatar
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4 answers
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What's the relationship between epistemology and ontology in different traditions?

I'm asking as a relative novice, but have come across the debate in the field of information architecture and classification (and technology studies too). In this field, Aristotle is often quoted as ...
paulusm's user avatar
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11 votes
7 answers
3k views

Why is the problem of universals a problem?

Philosopher Gonzago Rodriguez-Pereyra defines the very old and well-known "Problem of Universals" thusly: But what then is the Problem of Universals? As I said, it is usually taken to be the ...
Nicol's user avatar
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5 answers
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What makes a good question?

Most philosophy begins with a question. I'm wondering why certain questions provoke more profound thoughts than others. What characteristics do good questions share with each other? How can we go ...
john's user avatar
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11 votes
6 answers
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Why isn't existence a predicate?

According to SEP There are two sets of reasons for denying that existence is a property of individuals. The first is Hume and Kant's puzzlement over what existence would add to an object. What is ...
Mozibur Ullah's user avatar
10 votes
6 answers
2k views

What is the definition of real?

What is the definition of the word "real"? For example, we can all agree that Harry Potter and unicorns are not real, while Mount Everest and Mars are real. Some people even say ...
user107952's user avatar
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10 votes
6 answers
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What does Kant mean by "Existence is not a predicate"?

What does Kant mean by "Existence is not a predicate"? How does that invalidate the ontological arguments? and how can he show that it's not a predicate? By predicate, I think he means a "property"...
Fawzy Hegab's user avatar
10 votes
15 answers
3k views

What are the criteria for existence?

What are the criteria for existence, i.e. the answer to "what exists and what doesn't exist?" in modern schools of philosophy? My trial: Something exists if and only if it can affect our senses, ...
asmani's user avatar
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10 votes
4 answers
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Who does Wil Wheaton represent in "Big Bang Theory"?

Following the aesthetics-challenge my first question on this site: In several episodes of "The Big Bang Theory" Wil Wheaton appears. In the credits it is stated that he plays "himself". But I have ...
Einer's user avatar
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10 votes
3 answers
236 views

What is put on what (the mayo or the eggs) and why?

What are some branches of philosophy that could be used to analyze the question "did I put mayo on my eggs, or eggs on my mayo?" I understand that the question itself is very weak, but I am just ...
Kebtiz's user avatar
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9 votes
9 answers
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Is our Philosophy, the Human Philosophy, the only possible Philosophy which can exist?

What I'm asking is if is there any possibility for a Non-human Philosophy, that is, a Philosophy founded on questions which we can't even conceive. Is possible a Philosophy of questions which only can ...
Fractalon's user avatar
9 votes
2 answers
4k views

What are the major criticisms of Alain Badiou's claim that mathematics is ontology?

Building on Was mathematics invented or discovered? I would like to know what the major criticisms are of Alain Badiou's claim that mathematics is "the very site of ontology" (in Being and Event.)
Joseph Weissman's user avatar
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9 votes
4 answers
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Did Kant come to believe that we have access to things-in-themselves after all?

Kant's position on things-in-themselves is often described Socratically, of them we know only one thing, that they are. However, in an old but apparently still popular history of philosophy book I ...
Conifold's user avatar
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9 votes
4 answers
415 views

How can we take the ontologies of our best physical theories seriously?

It seems to me that numerous features of our best physical theories thus far (most notably in my humble and near-meaningless opinion: the whole notion of renormalization in quantum field theory) ...
OperaticDreamland's user avatar
9 votes
2 answers
2k views

What is the purpose of Plato's concept of Form?

Concerning this passage from Phaedo: I mean, for instance, the number three, and there are many other examples. Take the case of three; do you not think it may always be called by its own name and ...
000's user avatar
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9 votes
3 answers
4k views

Causality vs. implication

Implication is said to be more general than causality since, for example, being a dog implies being a mammal but it doesn't cause it. Is there a formalization of the difference between implication and ...
Atamiri's user avatar
  • 426
9 votes
3 answers
615 views

What would a quantum interpretation without ontology be like?

Luboš Motl keeps insisting quantum mechanics invalidates ontology, and has made ontology obsolete, just like phlogiston. What would metaphysics without ontology look like, where words like "existence" ...
user avatar
9 votes
1 answer
3k views

What does the "meaning of Being" mean in Being and Time?

I read Being and Time a few years ago, but it seems to me the question is only partially answered there. He deals with the question of whether Being is "indefinable" very early on [p 4]. He claims ...
user avatar
8 votes
6 answers
2k views

Is there any philosophical theory behind the concept of object in computer science?

From - Object (computer science) - Wikipedia: A language is usually considered object-based if it includes the basic capabilities for an object: identity, properties, and attributes. A language is ...
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