John Cremona wrote:
On 15 June 2010 17:17, Minh Nguyen<nguyenmi...@gmail.com> wrote:
Hi folks,
I appreciate the feedbacks. I have documented the definition of
characteristic polynomials for graphs at ticket #9246:
http://trac.sagemath.org/sage_trac/ticket/9246
The immortal words of Humpty Dumpty ring through the ages:
"When I use a word, it means just what I choose it to mean -- neither
more nor less." --Humpty Dumpty in Through the Looking-Glass and What
Alice Found There
-- which was, of course, written by a mathematician / logician!
http://www.sabian.org/Alice/lgchap04.htm
`I know what you're thinking about,' said Tweedledum; `but it isn't so, nohow.'
`Contrariwise,' continued Tweedledee, `if it was so, it might be; and if it
were so,
it would be; but as it isn't, it ain't. That's logic.'
:-)
Jaap
John
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