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Should logic be a core course taught at all universities?
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luvnpeas



Joined: 03 Aug 2006
Location: somewhere i have never travelled

PostPosted: Sat Feb 17, 2007 6:01 pm    Post subject: Re: ... Reply with quote

the_beaver wrote:

Logic can only work with information that is known (and/or accepted) and that's its major weakness.


You're stupid.
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the_beaver



Joined: 15 Jan 2003

PostPosted: Sat Feb 17, 2007 6:07 pm    Post subject: Re: ... Reply with quote

luvnpeas wrote:
You're stupid.


A valid logical statement based on the limited empirical data you have.
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ChuckECheese



Joined: 20 Jul 2006

PostPosted: Sat Feb 17, 2007 6:52 pm    Post subject: Re: ... Reply with quote

the_beaver wrote:
luvnpeas wrote:
You're stupid.


A valid logical statement based on the limited empirical data you have.


See my point, it's logical to him but illogical for most. It all depends on how each individual's thinking process works.

There isn't just one logical way to catch a bird. The logic can be viewed as the effeciency of thought process.

How to make 5?

1+1+1+1+1=5
2+2+1=5
3+2=5
5=5
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EFLtrainer



Joined: 04 May 2005

PostPosted: Sun Feb 18, 2007 9:49 am    Post subject: Reply with quote

luvnpeas,

You are misunderstanding the thread topic. Logic exists outside of context. It requires not for any info to be correct, which is perfectly illustrated by my example.

Let's try again.

1. Bush lied about Iraq. 3000+ American soldiers have died. Bush's lies have killed 3000+ American soldiers.

2. Insurgents and Al Queda in Iraq use weapons against US soldiers. 3,000 US soldiers have been killed in Iraq. Insurgents' and Al Queda's weapons have killed 3,000+ US soldiers.

Both are completely logical. Which you adhere to depends on your premise.

A third may clarify further:

3. Soldiers go to fight in Iraq. Soldiers know soldiers have died in Iraq. Therefore, soldiers who go to Iraq want to die.

Completely logical, and almost certainly true of no soldier in Iraq.
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Sincinnatislink



Joined: 30 Jan 2007
Location: Top secret.

PostPosted: Sun Feb 18, 2007 11:23 am    Post subject: Reply with quote

EFLtrainer wrote:

1. Bush lied about Iraq. 3000+ American soldiers have died. Bush's lies have killed 3000+ American soldiers.


That's not a real premise, even an inductive one.
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luvnpeas



Joined: 03 Aug 2006
Location: somewhere i have never travelled

PostPosted: Sun Feb 18, 2007 3:35 pm    Post subject: Reply with quote

EFLtrainer wrote:

1. Bush lied about Iraq. 3000+ American soldiers have died. Bush's lies have killed 3000+ American soldiers.

2. Insurgents and Al Queda in Iraq use weapons against US soldiers. 3,000 US soldiers have been killed in Iraq. Insurgents' and Al Queda's weapons have killed 3,000+ US soldiers.

Both are completely logical. Which you adhere to depends on your premise.


Neither of those are logical, if by "logical" you mean the conclusion follows from the preceding statements.
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cerulean808



Joined: 14 Mar 2006
Location: Seoul

PostPosted: Sun Feb 18, 2007 3:40 pm    Post subject: Reply with quote

caniff

Quote:
No. It wasn't.


Is that supposed to be an a priori or a posteriori truth claim?
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Sincinnatislink



Joined: 30 Jan 2007
Location: Top secret.

PostPosted: Sun Feb 18, 2007 4:37 pm    Post subject: Reply with quote

All of you people pretty please go get a formal logic book.
Read Euclid, even.
Jesus.
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the_beaver



Joined: 15 Jan 2003

PostPosted: Sun Feb 18, 2007 6:39 pm    Post subject: Reply with quote

Sincinnatislink wrote:
All of you people pretty please go get a formal logic book.
Read Euclid, even.
Jesus.


Explain it to us.
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luvnpeas



Joined: 03 Aug 2006
Location: somewhere i have never travelled

PostPosted: Sun Feb 18, 2007 6:48 pm    Post subject: Reply with quote

the_beaver wrote:
Explain it to us.


http://www.luvnpeas.org/rsharvy/syll.html
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the_beaver



Joined: 15 Jan 2003

PostPosted: Sun Feb 18, 2007 6:54 pm    Post subject: Reply with quote

luvnpeas wrote:
the_beaver wrote:
Explain it to us.


http://www.luvnpeas.org/rsharvy/syll.html


Which is not in any way contradictory to what's been said.
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Privateer



Joined: 31 Aug 2005
Location: Easy Street.

PostPosted: Sun Feb 18, 2007 9:15 pm    Post subject: Reply with quote

No, logic should not be taught as a core course at universities.

Not because the ability to apply logic isn't essential, but because courses in logic involve learning how to prove the axioms that A=A, and that A /= not_A.

While that may be interesting, for most of us it is enough to say that A=A and not not_A is self-evident.
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Sincinnatislink



Joined: 30 Jan 2007
Location: Top secret.

PostPosted: Sun Feb 18, 2007 10:53 pm    Post subject: Reply with quote

Privateer,
Logic is usually applied in much more complex ways than that. So please. Shut the hell up.

And I can't give all of you a course in logic in a message board post.
If I could, I would stop saying you people need to study logic and explain logic to you.

Start here. It's the best course in deductive logic that's ever been written:

http://www.amazon.com/Euclids-Elements-Euclid/dp/1888009195

It will take you at least a year to go through it casually.
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Sincinnatislink



Joined: 30 Jan 2007
Location: Top secret.

PostPosted: Sun Feb 18, 2007 10:55 pm    Post subject: Reply with quote

And you can't prove a = a. That's something we call an "axiom."

You *could* construct a geometry where a != a, theoretically.

Further proving my point.
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EFLtrainer



Joined: 04 May 2005

PostPosted: Mon Feb 19, 2007 4:06 am    Post subject: Reply with quote

Sincinnatislink wrote:
EFLtrainer wrote:

1. Bush lied about Iraq. 3000+ American soldiers have died. Bush's lies have killed 3000+ American soldiers.


That's not a real premise, even an inductive one.


Are you a real premise? You're being an arrogant ass. How's that for a premise? And you're doing so stupidly. The above-quoted material was not presented as a premise. Now, pull your head out of your arrogant ass.
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