[seqfan] Re: A000000

[Richard Guy]

I sh'd've added: compare: weave -woven,
cleave - cloven, which gives a hint for
the preferred (?) pronunciation.   R.

On Wed, 16 Jun 2010, Richard Guy wrote:

> 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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