All Questions
Tagged with philosophy paradoxes
25
questions
1
vote
1
answer
271
views
What exactly are capture and release?
Motivation:
I'm interested in how different people resolve the Liar paradox and other, related phenomena, like the revenge Liar paradoxes, and so on.
I have a copy of "Formal Theories of Truth,&...
- 45.7k
0
votes
1
answer
107
views
Could you say that the unxepected hanging paradox is a falsidical paradox?
In Harrie de Swart book Philosophical and Mathematical Logic, Quine's classification of paradoxes to falsidical, veridical and antinomies paradoxes is explained. Then in exercise 2.70 we are asked to ...
- 313
3
votes
0
answers
232
views
I have some questions about the Ross-Littlewood Paradox
TLDR at the end.
Hi, I recently saw this comment given by "completely-ineffable" on the r/badmathematics subreddit. And I just wanted to make sure if I understand it correctly and wanted to ...
2
votes
1
answer
144
views
Can Hilbert's Hotel be explained by a difference between ordinal numbers and cardinal numbers
In taking a philosophy of maths course I have been very curious about the notion of infinity, and whether or not it is paradoxical. One thing I have frequently thought is that "infinity" as ...
-1
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2
answers
270
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Is the liars paradox actually a paradox at all? I don't think it is.
Note - I am not versed in logic notation or whatever the particular notation is for this kind of thing. Sorry in advance.
Edit - This is to address the argument about taking the statement as a whole ...
- 29
0
votes
1
answer
229
views
Zeno paradox induction proof
Can anybody tell me how to set up zeno paradox, so that I can show a proof of it inductively? this is the exact question.Im not a math person, this is for a logic class, and I have no idea how to set ...
- 1
2
votes
2
answers
63
views
How did the spheres collide? [duplicate]
Take a system with two ideal, rigid spheres in vacuum, being under zero net external force. Now suppose I want to make the spheres collide, which I do by pushing one of them towards the other.
Now ...
- 27
8
votes
3
answers
742
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Skolem's paradox showing us that we might be trapped in our view of the world
According to Skolem's Paradox, ZFC as a first order axiomatization of set theory has a countable model, but allows a proof that uncountable sets exist in every model of ZFC.
It becomes counter-...
- 18.2k
0
votes
3
answers
161
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Friday analysis of the unexpected hanging paradox [closed]
The judge told me:
A1. You will be hanged on day X. (X is some day from Monday to Friday)
B1. You can't deduce what X is.
It's Friday morning and I'm still alive. My first deduction is (please tell ...
- 241
8
votes
4
answers
318
views
Balls and vase $-$ A paradox?
Question
I have infinity number of balls and a large enough vase. I define an action to be "put ten balls into the vase, and take one out". Now, I start from 11:59 and do one action, and after 30 ...
- 2,565
21
votes
8
answers
5k
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What's your explanation of the Raven Paradox?
The Raven Paradox starts with the following statement
(1) All ravens are black.
which is equivalent to the following statement
(2) Everything that is not black is not a raven.
In all the ...
user402662
0
votes
0
answers
226
views
Intuitive Randomness, Uniform PDFs, and Bertrand's Paradox
Suppose that somebody asks us the following question:
Consider a straight line segment that goes from 0 to 1 (inclusive).
Suppose that a point is chosen at random on this line segment. What is
...
- 511
2
votes
2
answers
443
views
Is this the basic loophole in Zeno's paradox?
So, Zeno assumes that, to go from the mark at $1m$ to the mark at $2m$ we've to do an infinite number of tasks. Like the task of getting to $1.001m$, the task of getting to $1.000005m$,the task of ...
user402662
6
votes
6
answers
363
views
$1$ heap of sand $+\ 1$ heap of sand $= 1$ heap of sand?
My uncle, who barely passed elementary school math (which leads me to believe he read this in some kind of joke magazine), once told me this when I was very young.
$$1 \text{ heap of sand } + 1\text{...
- 91
5
votes
2
answers
398
views
On logic vs information theory
If the statements
All crows are black
and
All non black things are non crows
are equal, then why is the former so much easier to communicate by giving examples? What implications does this ...
- 2,086