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- Path: sparky!uunet!mcsun!news.funet.fi!hydra!klaava!amnell
- From: amnell@klaava.Helsinki.FI (Marko Amnell)
- Newsgroups: sci.math
- Subject: Re: Looking for faulty proof that 0=1.
- Message-ID: <1992Sep2.172220.12362@klaava.Helsinki.FI>
- Date: 2 Sep 92 17:22:20 GMT
- References: <1992Sep2.111126.1@vax1.umkc.edu>
- Organization: University of Helsinki
- Lines: 14
-
- I looked in Spivak's _Calculus_ and found a similar bogus proof:
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- Let x=y. Then
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- x^2=xy,
- x^2-y^2=xy-y^2,
- (x+y)(x-y)=y(x-y),
- x+y=y,
- 2y=y,
- 2=1.
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- So, given your proof, I conclude that 2=0 ! ;-)
-
- Marko.
-