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Author Topic: Amazingly Stupid Things You've Heard People Say  (Read 1049853 times)

Max White

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6645 on: October 10, 2013, 06:44:47 am »

I find it a little bit sad that people are arguing over things that you're supposed to learn in schools.
If we didn't argue about things we learnt in school people would still think Newtonian physics was any more than just a lenses we use to describe macro mechanical systems not operating at speeds approaching c. That isn't even to mention the primitive explanation of the atomic model given, or cellular meiosis, or the number plane. I mean really, you would swear non-euclidean geometry doesn't real!

ZetaX

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6646 on: October 10, 2013, 09:01:19 am »

Inequalities are exactly the same as equations, with ONE exception: if you multiply by -1 (or -anything really), you reverse the sign of the inequation. That's pretty much all.
Sorry, but that's just plain wrong. Apart from several other exceptions you are missing (like division, power, ...), their behaviour is also different. They for example lack reflexivity which is probably the most often used property of equations. Also, inqualities are far less often defined than equalities, e.g. in polynomial rings or complex numbers.
Yeah, you need an ordered field to have inequalities, but most people only ever use the real numbers - for all practical purposes, inequalities and equalities behave quite similarly. Think of it like this: X < Y <=> (\exists epsilon > 0 so that X = Y - epsilon). If you just run with that, you're golden ;)
My main point wasn't even in the ordered field, but on exactly those "similiar" properties some of you mentioned. Those are as similar as an ape and a banana: they are obviously forms of life, have some interactions, but that's about it.
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Helgoland

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6647 on: October 10, 2013, 09:09:44 am »

Inequalities are exactly the same as equations, with ONE exception: if you multiply by -1 (or -anything really), you reverse the sign of the inequation. That's pretty much all.
Sorry, but that's just plain wrong. Apart from several other exceptions you are missing (like division, power, ...), their behaviour is also different. They for example lack reflexivity which is probably the most often used property of equations. Also, inqualities are far less often defined than equalities, e.g. in polynomial rings or complex numbers.
Yeah, you need an ordered field to have inequalities, but most people only ever use the real numbers - for all practical purposes, inequalities and equalities behave quite similarly. Think of it like this: X < Y <=> (\exists epsilon > 0 so that X = Y - epsilon). If you just run with that, you're golden ;)
My main point wasn't even in the ordered field, but on exactly those "similiar" properties some of you mentioned. Those are as similar as an ape and a banana: they are obviously forms of life, have some interactions, but that's about it.
A banana and an ape are actually quite similar: The only differences - mobility, internal structure etc - are quite trivial when compared to the similarities - cell structure, DNA, region of occurence, being made from roughly the same compounds etc. It's a good example, actually: There are some obvious differences, but under the hood they work rather like each other.
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ZetaX

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6648 on: October 10, 2013, 09:44:52 am »

Those differences are far from trivial. By your reasoning, all mathematical objects (in the sense of ZFC) are the same for sharing the evry same axioms. Additionally, you were talking about how they work; when was the last time you saw a banana eat another banana, or an ape growing into a tree (assuming you have bananas with seeds, which is a rarity nowadays).
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Helgoland

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6649 on: October 10, 2013, 10:23:24 am »

Those differences are far from trivial. By your reasoning, all mathematical objects (in the sense of ZFC) are the same for sharing the evry same axioms. Additionally, you were talking about how they work; when was the last time you saw a banana eat another banana, or an ape growing into a tree (assuming you have bananas with seeds, which is a rarity nowadays).
As I said, some differences exist. But equations and inequalities are closer related than, say, integration and trees (the kind of trees that have at least two leaves ;) )
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I'm going to do the smart thing here and disengage. This isn't a hill I paticularly care to die on.

GlyphGryph

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6650 on: October 10, 2013, 10:46:23 am »

Someone talking about something being racist, in response to people from the race saying they don't see the problem with it (specifically, the name of the Cleveland Indians)
Quote
no self-respecting member of such groups could, would or should take this without protest or offense.

* GlyphGryph facepalms.
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kaijyuu

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6651 on: October 10, 2013, 10:58:35 am »

I can reasonably see people being offended by these sports team names (and especially their mascots, being caricatures), but ultimately it's up to the native americans themselves whether they care or not.
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For, in order that men should resist injustice, something more is necessary than that they should think injustice unpleasant. They must think injustice absurd; above all, they must think it startling. They must retain the violence of a virgin astonishment. When the pessimist looks at any infamy, it is to him, after all, only a repetition of the infamy of existence. But the optimist sees injustice as something discordant and unexpected, and it stings him into action.

Graknorke

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6652 on: October 10, 2013, 11:05:31 am »

In an ideal world nobody gets offended over anything.
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kaijyuu

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6653 on: October 10, 2013, 11:12:27 am »

In an ideal world nobody gets offended over anything.
Would this come from no one saying anything hurtful anymore or humanity becoming completely numb to what other people say or think?
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Quote from: Chesterton
For, in order that men should resist injustice, something more is necessary than that they should think injustice unpleasant. They must think injustice absurd; above all, they must think it startling. They must retain the violence of a virgin astonishment. When the pessimist looks at any infamy, it is to him, after all, only a repetition of the infamy of existence. But the optimist sees injustice as something discordant and unexpected, and it stings him into action.

Graknorke

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6654 on: October 10, 2013, 11:14:21 am »

In an ideal world nobody gets offended over anything.
Would this come from no one saying anything hurtful anymore or humanity becoming completely numb to what other people say or think?
It would come from everyone having a perfect understanding of why people say or think what they do.
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Xantalos

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6655 on: October 10, 2013, 11:14:50 am »

In an ideal world nobody gets offended over anything.
Would this come from no one saying anything hurtful anymore or humanity becoming completely numb to what other people say or think?
It would come from everyone having a perfect understanding of why people say or think what they do.
Invent telepathy.
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XANTALOS, THE KARATEBOMINATION
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Iceblaster

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6656 on: October 10, 2013, 11:17:09 am »

In an ideal world nobody gets offended over anything.
Would this come from no one saying anything hurtful anymore or humanity becoming completely numb to what other people say or think?
It would come from everyone having a perfect understanding of why people say or think what they do.
Invent telepathy.

Says the Eldritch Abomination :P

Xantalos

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6657 on: October 10, 2013, 11:20:48 am »

In an ideal world nobody gets offended over anything.
Would this come from no one saying anything hurtful anymore or humanity becoming completely numb to what other people say or think?
It would come from everyone having a perfect understanding of why people say or think what they do.
Invent telepathy.
Says the Eldritch Abomination :P
...
It'd work.
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Darvi

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6658 on: October 10, 2013, 11:22:25 am »

I'd rather not. Middle school would be a nightmare.

"Why're you thinking about dicks?" would become the new "Why're you hitting yourself?"
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Graknorke

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Re: Amazingly Stupid Things You've Heard People Say
« Reply #6659 on: October 10, 2013, 11:35:37 am »

I'd rather not. Middle school would be a nightmare.

"Why're you thinking about dicks?" would become the new "Why're you hitting yourself?"
And the retort would be "Well why are you thinking about dicks?", or at least until everyone stops assigning such significance to people thinking relatively normal things.
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