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daniel
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PostSubject: ...............   Mon Mar 17, 2008 9:12 pm

wtf?!?!?!?!

show that 1=0.
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lx2
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PostSubject: Re: ...............   Mon Mar 17, 2008 9:29 pm

i can show u it's false
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daniel
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PostSubject: Re: ...............   Mon Mar 17, 2008 9:56 pm

that's easy to prove. obviously by definition 1 is the successor of 0 in the natural number set
and by peano's axioms for natural numbers, 0 cannot be the successor of any natural number

let's assume 1=0
the successor of 0 is 1
and 1=0
hence the successor of 0 is 0, which is a contradiction.
Thus 1!=0

lol. I saw a way to prove 1=0 using our daily limit laws. Some fundamental mistakes led to that.
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Ian
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PostSubject: Re: ...............   Mon Mar 17, 2008 10:08 pm

1. a = b + 1
2. (a-b)a = (a-b)(b+1)
3. a2 - ab = ab + a - b2 - b
4. a2 - ab -a = ab + a -a - b2 - b
5. a(a - b - 1) = b(a - b - 1)
6. a = b
7. b + 1 = b
8. Therefore, 1 = 0
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lx2
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PostSubject: Re: ...............   Mon Mar 17, 2008 10:20 pm

good example of false proof
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daniel
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PostSubject: Re: ...............   Mon Mar 17, 2008 10:58 pm

ian, your proof involves a step which does not obey the calcellation law for multiplication.

(ab=ac => b=c) <=> a!=0
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Ian
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:13 pm

16 - 36 = 25 - 45
4^2 - 9*4 = 5^2 - 9*5
4^2 - 9*4 + 81/4 = 5^2 - 9*5 + 81/4
(4 - 9/2)^2 = (5 - 9/2)^2
4 - 9/2 = 5 - 9/2
4 = 5
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Ian
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:13 pm

yeah my math tutor used to tell us that too.
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Ian
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:14 pm

i mean your explanation.
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daniel
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:16 pm

ian u should type out the proof that i showed u. That's uber cool.
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Ian
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:44 pm

yeah. there are actually more math fallacies out there. will post it soon.
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kevin
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PostSubject: Re: ...............   Mon Mar 17, 2008 11:49 pm

i doesnt belong to here..
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:22 am

duh duh. enough fallacies.
talk laplace, talk fourier, talk matrix
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Ian
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:32 am

which one? revolution? reloaded?
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:35 am

stop replying.......... i wanna an xin go sleep
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Ian
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:37 am

okok go sleep ba.. u must be cursing me there right now LOL
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daniel
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:38 am

laplace transform

L(f) = int( ((e^-st)f(t)), 0, infinity)
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:38 am

SILENCE. I'LL KILL U
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:39 am

daniel Smile
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Ian
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:41 am

OMG.. we are going nuts
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 12:44 am

daniel post smth about ur LVL2000 maths modules. surprise us
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Pandar3n
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PostSubject: Re: ...............   Tue Mar 18, 2008 4:58 am

wtf!@!!! u guys are crazy
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lx2
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PostSubject: Re: ...............   Tue Mar 18, 2008 1:40 pm

mathcians are geeks
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Ian
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PostSubject: Re: ...............   Tue Mar 18, 2008 2:14 pm

laplace transform.. i saw it under Mathematics in the syllabus of E&E Engineering under Imperial College.
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daniel
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PostSubject: Re: ...............   Tue Mar 18, 2008 7:06 pm

laplace transform is important for engineers because we need it to solve differential equations. And we need differential equations a lot in modelling and stuff. Sometimes like reactors and err......... stuff. Heh.
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