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mathematical fallacy

Nerds like to use this when they procrastinate.
The mathematical fallacy 2 = 1 is a classic one, guess which step is incorrect:

Let x = y.
Multiply by x: x² = xy.
Subtract y²: x² − y² = xy − y².
Factorize: (x − y)(x + y) = y(x − y).
Divide by (x − y): x + y = y
Because x = y, replace all x's with y's: y + y = y
Simplify: 2y = y
Divide by y: 2 = 1

Did you see the incorrect step? Spoiler alert: it's the fifth one; you can't divide by (x − y), as that equals 0 (because x and y are equal), and you can't divide by zero.
by Lakitu's Cloud December 10, 2014
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true fallacy

A fallacy that is meaningful irrespective of the truthiness of subjectivity's premises because the subjective precedes the objective on the line of time.

A fallacy that must be treated as meaningful and therefore real because the subjective vector universally points toward truth whereas the object-vector does so exclusively specifically.
A true fallacy is true regardless of its premises ie. meaning CREATES reality a la Kant.
by sandraxine July 30, 2018
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Yung fella’s

Usually a scumbag that will beat your grandma up for a pack of chewing gum. You need so stay away from these people . If you see a pack of young fellas well then your fairly f’ed. To warn them off Dino nuggets work . But ancient studies show that garlic works too!
Guy1:look over there at that grandma being beat up
Guy2:o yeah them guys beating her up are yung fella’s
by ThatOneIrishIdiot August 23, 2020
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kyno fallacy

kyno fallacy: the idea that calling a random ass fallacy will instantly make your point right or will make you win the argument
*twitter screenshot*: "anime is supposed to be perfect, but black people ruin that"

denzel: hes not 100% wrong

harry: thats racist bro

denzel: STRAWMAN FALLACY!!!!!!

harry: how is that a strawman? sounds like the kyno fallacy to me
by hasbrooo May 2, 2022
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Big fella

referring to someone who is pretty large in size mostly towards a man who is what some might say fat but I could also be used for a very muscular or tall person
hey big fella

look we got our selfs a big fella over there
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Hivemind Fallacy

The false assumption that a person who belongs to some arbitrary group definition must therefore think like the stereotypical archetype of that group.
"Just because he's from California doesn't mean he subscribes to its politics; that's just a hivemind fallacy."
by BadTimeToGetLost March 21, 2023
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Redditman Fallacy

A subcategory of the common strawman fallacy.

A Redditman Fallacy is when a user pushes an agenda by showing a screenshot of a reddit post. This reddit post is usually atrocious in quality or with terrible takes, in which the user may clown and easily defeat the argument in order to push their agenda.

An example of this is clear in politically motivated twitter accounts using screenshots including but not limited to reddit posts
Very smart individual 1 : Look at this reddit post of <group they disagree with>! And they're calling us <insert buzzword>
Very smart individual 2 : Wow, I agree,

Everyone else : This is literally a Redditman Fallacy
by slowstrokegoat June 11, 2023
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