This tag is for arguments that produce an inconsistency with common sense.

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Omnipotence Paradox Defense and Meinongianism/Neo-Meinongianism

I was considering a solution to the omnipotence paradox in which excluding logical impossibilities from the definition of omnipotence is justified as follows. Consider the proposition, "God could ...
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41 views

Dialetheias in the absence of contraction/absorption?

One of the arguments given for dialetheism is that the paradoxes of self-reference, such as the Liar paradox and Russell's paradox, are most naturally regarded as dialetheias (both true and false). ...
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1answer
81 views

Zeno's arrow paradox

Zeno's arrow paradox: Zeno states that for motion to occur, an object must change the position which it occupies. He gives an example of an arrow in flight. He states that in any one ...
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2answers
70 views

Zeno's paradox (Dichotomy)

Suppose Homer wants to catch a stationary bus. Before he can get there, he must get halfway there. Before he can get halfway there, he must get a quarter of the way there. Before traveling a ...
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3answers
904 views

What's the current status of the “paradox of analysis”? And are there any strong and widely accepted resolutions?

It would seem that figuring out a solution to the paradox of analysis would be of prime importance to philosophers, especially considering the fact that conceptual analysis seems central to ...
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2answers
97 views

Is this a valid solution to the liar paradox?

Example: Is the statement "These letters are black." true or false? If the letters are black, then the statement is true. If the letters are not black, then the statement is false. In this example ...
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1answer
40 views

What is the name of this “paradox” about predictions?

The scenario goes thus: There is a prediction machine which predicts very accurately but always states its prediction, and a boy who always defy what he is told. If the machine predicts that the ...
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1answer
45 views

Why do “mudslinging” arguments about opponents morality create a regress?

Consider this situation: Politician A "slings mud" at Politician B. Politician B accuses Politician A of being a mudslinger Politician A accuses B of being a hypocrite since accusing someone of ...
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1answer
38 views

Russel's paradox compared to Aristotle's logic

How can we easily explain what Russel might mean about Aristotle's logic? Did I understand correctly that, loosely speaking, if we have a statement in Aristotle's logic for example: No human being ...
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2answers
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What makes the “lazy arguments” (you have no chance, so don't bother) valid or invalid?

What I am thinking of is not exactly like the Lazy argument described in Wikipedia. I am thinking of a general argument where a normative conclusion towards inaction is drawn from the knowledge of the ...
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0answers
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This is one of the Philosophical, Paradoxical & Hypothetical Conundrums of my Life which I can't solve by myself [closed]

I'm just a student right now. I have a very keen habit to learn something new everyday. I usually don't have any problem in learning it at that very moment. Yeah it takes a little bit of time, maybe ...
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3answers
79 views

Is immortality worth any risk? [closed]

The following seems like a bit of a paradox, so without assuming that immortality would end up a curse due to personal suffering, how could someone respond to the following? Suppose you have the ...
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2answers
140 views

Was Kant anticipating Gödel's incompleteness in his antinomies?

Kant's attempts to prove that there's a limit to pure reason based on the existence of antinomies, i.e. pairs of propositions where each one is rational, but the propositions contradict each other. ...
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5answers
165 views

What is the name for the fallacy when the very act of making a statement contradicts its truth?

Consider a proposition stating something to be true that by the very act of stating denies truth to the speaker. For example, Alice states that Bob is smart. But, it is common knowledge that Bob is ...
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1answer
68 views

A implies ¬A. Is my reasoning on the following example correct?

Oh, you// anything that rhymes is not true. If this statement is true, then it is false. First, although it seems very logic to me, is this reasoning correct? If so, how do you call this kind of ...
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1answer
35 views

“Always is always wrong” [closed]

Is this a paradox? I am too drunk to think it through (forgive my idiocy!). If it is - can a paradoxical solution be qualified as "wrong"? If so, is "always is always wrong" actually an explicitly ...
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7answers
177 views

Does the logical tautology “what will happen, will happen” imply the impossibility of free will?

The statement what will happen, will happen is true by definition (right?). But to me that also implies that as long as time is linear, the future is predetermined (and hence there is no free ...
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7answers
2k views

Are all paradoxes reducible to one “fundamental” paradox?

I may need to refine this question, since I am mostly grappling with a murky intuition and haven't yet done the real work. When I encounter many of the well-known paradoxes, such as Zeno's dichotomy, ...
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3answers
124 views

What is the best philosophical expression of the mind-body mutual “containment”?

The old "ouroboros" of mind-body reappears in various forms. Basically, the world is formed within consciousness; consciousness is formed within the brain; the brain is formed within the world. What ...
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5answers
2k views

Why is Aristotle's objection not considered a resolution to Zeno's paradox?

It seems to me, perhaps naïvely, that Aristotle resolved Zenos' famous paradoxes well, when he said that, Time is not composed of indivisible nows any more than any other magnitude is composed of ...
5
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1answer
221 views

Are there rules for dealing with self-reference “paradoxes” in logic?

My favorite paradox that leads to an endless regress, and also leads to a question: The sentence after this is true. The sentence before this is false When contradictions appear in proofs, ...
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1answer
131 views

What is the “simple logical truth” that makes omniscience self-contradictory?

Patrick Grim claims in "Problems with Omniscience" that there is a "simple truth well established as a logical theorem", which shows that omniscience is a contradictory concept. I am failing to see ...
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1answer
117 views

What does it mean to demean oneself? [closed]

The State of Texas Bar Association has each new member take the following oath: I,___ , do affirm that I will support the Constitution of the United States, and of this State; that I will honestly ...
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3answers
262 views

Does Newcombs problem show free will is paradoxical? [closed]

Does Newcombs problem show free will is paradoxical by creating a thought experiment that uses free will and while using this, one's free choice one find's oneself in an impossible situation ? If so ...
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2answers
63 views

How can I prove that any group of points created after just one point existing must exist in the same place? [closed]

How can I prove that any other group of points created after just one point existing (and not in the same place as the original one point that first exists) must exist in the same place (that place ...
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3answers
167 views

The paradox of oneness [closed]

It gives divine joy to the mind, when one realizes the spirit of oneness. Even in Bhagavad Gita, when Arjuna questions about true knowledge, the supreme Lord tells him that true knowledge is ...
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2answers
147 views

Is the indescribable a paradox?

The indescribable is that which has no description; yet the term indescribable describes this. Is this a properly paradox? Or can we say that the word 'indescribable' is a label and has no positive ...
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2answers
65 views

Is an infinity of possibilities is not possible when God is involved?

Within an infinity of possibilities there is a possibility that God exists in all possibilities just as much as there is a possibility that God exists in none of them. This leads to a contradiction. ...
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8answers
1k 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 ...
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3answers
209 views

Does information paradox in the Many Worlds interpretation cause a problem?

I'm taking a philosophy of time travel class. In one of the lectures, the teacher was discussing problems with the Many Worlds interpretation. He talked about how since anything that can possibly ...
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12answers
2k views

Are there any philosophy books for an intelligent nine-year-old?

I would like to buy some books on philosophy for the child of a friend. He is very intelligent and mathematically able and clever for a nine-year-old. I remember near that age really enjoying the idea ...
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2answers
487 views

Can a “real” paradox exist?

Given a statement, S: "S is not true." We arrive at a paradoxical solution whether or not we assume S to be true or false. Does this automatically imply that we have made an error in logic, ...
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2answers
151 views

Does the analogy “dog is to proximal environment as human is to Reality” portend anything for a maximum theoretical level of intelligence?

As today has been a day for analogies: dog : proximal environment :: human : Reality A dog's ontology is presumably quite limited. A human's ontology is apparently maximal. While our average ...
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4answers
175 views

If supposing that a statement is false gives rise to a paradox, does this prove that the statement is true?

If supposing that a statement is false gives rise to a paradox, does this prove that the statement is true? Let me attempt to be a little more precise: Suppose you have a proposition. Furthermore, ...
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1answer
129 views

Is this question well posed?

Suppose that there are many people in a room, and that all of the people in this room have to attend a logic class in 1 hour. Suppose that each person is either doing homework that has to be turned in ...
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2answers
222 views

Name the paradox which invalidates question when it's answered

My friend asked the following and we were unable to figure out the type of paradox it constitutes : Name the paradox which means that - if I answer this question, the question will be invalidated. ...
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4answers
358 views

Are there real paradoxes?

Paradoxes arise in mathematics; a famous one being Russells; usually its taken as a sign that the theoretical ediface needs to change. The difficult question is how; for example Russell developed his ...
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1answer
123 views

Is Belnap's four-valued logic technically a relevance logic?

Belnap, the American Logician, constructed a four-valued logic which is a form of relavance logic; interestingly the truth-values it takes are: true false both true & false neither ...
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0answers
133 views

Predestination paradox [closed]

In the movie Twelve Monkeys James Cole has a dream. In that dream he is running in the airport, gets shot and dies. Final scene video. Article about predestination paradox. Is there a chance Cole ...
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2answers
228 views

Is the belief “I have Impostor Syndrome” paradoxical? [closed]

Is is possible to ever say "I have an Impostor syndrome" and be right? From wikipedia: those with the syndrome remain convinced that they are frauds and do not deserve the success they have achieved. ...
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1answer
71 views

About an interpretation of implication

Could the ' If P then Q ' be interpreted as 'If P is assumed to be true then Q is true '? This could explain why a false proposition implies any proposition , according to Raymond Smullyan. If P is ...
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2answers
4k views

What's the difference between a contradiction and a paradox?

Why can't we just claim a paradox invalid, just as the way we treat contradiction in mathematical proof? (i.e. if we arrive at the proposition inconsistent with the assumption, then we can immediately ...
2
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2answers
218 views

Motion and contradiction

Zeno famously said an arrow cannot be in motion as it occupies some precise position at some precise time. And is thus at rest. Modern physics resolves this by stating the arrow has momentum. It is ...
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5answers
239 views

Time traveler's paradox [closed]

If people were to travel back in time, change something, and return to their original time, this would create a paradox for the time traveler. To give a completely hypothetical example, consider ...
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4answers
777 views

Russell's Paradox & Existence of God

Russell's paradox is a famous theorem in set theory. It asserts that "the collection of all sets is not a set itself". In the other words "the set of all sets doesn't exist" in the world which ZFC ...
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3answers
209 views

Epimenides paradox

So today I am in my Theory of knowledge class at my high school and my teacher presents Epimenides paradox. At first I was excited but then I noticed something. the statement that he put up was "All ...
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4answers
14k views

What will happen if Pinocchio says: My nose will grow [closed]

If his nose is not growing, he is telling a lie and his nose will grow but then he is telling the truth and it can't happen. If his nose is growing, he is telling the truth, so it can't happen. If ...
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1answer
103 views

How to interpret these Jain statements in terms of omega consistency? [hint only] [closed]

ω-consistent theory: In mathematical logic, an ω-consistent (or omega-consistent, also called numerically segregative1) theory is a theory (collection of sentences) that is not only ...
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1answer
452 views

A simple paradox of True or False [duplicate]

In a piece of paper, it was written: The statement written in the paper is false. Is that statement actually true or false?
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2answers
458 views

What are some popular ways of trying to resolve the “Hangman's Paradox”?

In a harsh totalitarian country an innocent person is arrested on Sunday evening and summarily condemned to execution, which they are told will take place on one of the following five ...