[seqfan] Re: A000000

[Richard Guy]

The past participle `proven' is of the obsolete
verb `to preve', meaning to test (NOT `prove'
in the mathematical sense, whatever that might be).
It survives in the third verdict in Scottish law:
Not Proven.  Also in `proof' of spiritous liquors,
which is out of 200.  Anything over 100 still
allows gunpowder, after being wetted with it, to
burn.  Also in phrases such as `a well proven
remedy' which usually works, but not always.  R.

On Wed, 16 Jun 2010, Robert Israel wrote:

>
>
> On Wed, 16 Jun 2010, N. J. A. Sloane wrote:
>
>> PS and the past tense of "to prove" is "proved", not "proven".
>>
>>> conjectured to be empty or proven empty.
>>
>>
>> Best regards
>> 			 Neil
>
> The past tense is "proved", but the past participle and attributive
> adjective can be either "proved" or "proven".  See e.g.
> <http://forum.wordreference.com/showthread.php?t=54120>
> <http://books.google.ca/books?id=2yJusP0vrdgC&pg=PA784>
>
> Robert Israel                                israel at math.ubc.ca
> Department of Mathematics        http://www.math.ubc.ca/~israel
> University of British Columbia            Vancouver, BC, Canada
>
>
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