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The Paradox Thread
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21 / M / The Void
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Posted 2/7/14 , edited 2/13/14
So the other day I was sitting in one of my classes bored out of my mind, when I had the great idea to hop on Wikipedia on my phone, and start researching some things I really enjoy, psychology and philosophy. After awhile I stumbled upon some articles on paradoxes and found them highly interesting. I thought to myself "This would make for a fantastic thread", so here we are. The objective here is to post the best paradoxes you can either find, or think up. I'll get us started with a few classics:


"This statement is false."
Explanation: If the statement is truthfully false, then it is true, thus making it a contradiction.

"What I am saying now is a lie."
Explanation: If it truly is a lie, then it is truth, thus being a contradiction.

"I know that I know nothing."
Explanation: If you honestly know nothing, then you would be unaware of the fact that you know nothing. This goes hand in hand with the fact that you cannot be aware of the basis in which you are ignorant to something, because then you truly aren't ignorant to it.

"A single grain of sand is certainly not a heap. Nor is the addition of a single grain of sand enough to transform a non-heap into a heap: when we have a collection of grains of sand that is not a heap, then adding but one single grain will not create a heap. And yet we know that at some point we will have a heap."
Explanation: This one is a bit more complicated, considering that there is no exact point at which we definitively call something a heap. Due to this fact, the sand can be considered, at a point, as being both a heap, and not a heap. Following this train of thought, it would either be considered both a heap and not a heap simultaneously, or it would be neither simultaneously.
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55 / M / Between the devil...
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Posted 2/7/14 , edited 2/7/14
Jumbo shrimp
Military intelligence
New classic
Lead from the rear


More to follow
Posted 2/7/14
Reminds me of that episode of Yu-Gi-Oh with the two paradox brothers...
How about 'pretty ugly'.
Posted 2/7/14 , edited 2/7/14
"It was the best of times; it was the worst of times." - A Tale of Two Cities, Charles Dickens.

"War is peace."
"Freedom is slavery."
"Ignorance is strength." - 1984, George Orwell.

“Whatever you do will be insignificant, but it is very important that you do it.” - Gandhi.

“Is man merely a mistake of God's? Or God merely a mistake of man?” - Friedrich Nietzsche.

“Fighting for peace, is like fuck*ng for virginity." Hearts in Atlantis, Stephen King.

If someone says "I always lie", are they telling the truth? Or are they lying?
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Posted 2/7/14
"There is an exception to every rule."

Always funny when someone uses this as an explanation.
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Posted 2/7/14
The ultimate paradox?
Politically correct.
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That test was so incredibly easy, it was difficult.

Explanation: The test was so easy, it must be some sort of misunderstanding or trick to it, therefore making it difficult in the mind of the speaker. However, "easy" or "difficult" being opinions, the opinion of it in the mind of the speaker is the truth. And yet, the speaker recognizes it as easy.
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23 / M
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Posted 2/7/14
A ∩ A′
Posted 2/7/14
Don't understand paradox when it's only about two contradicting truths.
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26 / M / on your lap, purring
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Posted 2/7/14
Where you also high when you posted this?
Posted 2/7/14
you have to be cruel to be kind
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Posted 2/8/14
Denying denial.
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19 / M / Coventry, UK
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Posted 2/8/14 , edited 2/8/14
My favourite kind of paradoxes would have to be temporal paradoxes, e.g. Grandfather, predestination, ontological etc. Then again, I'm fond of the Novikov self-consistency principal, so that would refute the possibility of the Grandfather paradox...

Although recently I just think of Portal 2 when it comes to paradoxes



Ooh, I never considered that! Although thinking about it, I'm pretty sure that it would always equate to 0 rather than being actually paradoxical.


EDIT: woah, sudden quantum mechanics alert! The probability that A is both true and false would technically always be 1 until it's observed... Mind-boggling stuff.
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21 / M / The Void
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Posted 2/8/14 , edited 2/8/14
Another good one:

The word heterological is used to describe an adjective that does not describe itself; examples of heterological adjectives include "long", "unwritten" and "monosyllabic". An autological adjective on the other hand does describe itself; examples of autological adjectives include "English", "unhyphenated", and "pentasyllabic". That being considered, is the adjective "heterological" a heterological adjective, or an autological adjective?
Explanation: If the adjective heterological is in fact heterological in nature, then it would actually define itself, thus making it autological, and contradicting itself. If the adjective heterological is autological in nature, then it would in reality not define itself, thus making it heterological in nature, and contradicting itself.
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21 / M / Denmark
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Posted 2/8/14
Mirrors.
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