[sv-ac] proved vs. proven

From: John Havlicek <john.havlicek_at_.....>
Date: Sat Sep 22 2007 - 07:47:49 PDT
Hi Folks:

> 3.	In 16.18.1 - "can be formally proved" -> can be formally proven
> ...

I believe that either "proved" or "proven" is acceptable as 
past participle of "to prove".  According to several usage
notes I have seen, "proved" is the older form and was much more
prevalent in the past.  Today, the two are used with roughly 
equal frequency, although "proven" is preferred when used
as preceding adjected (e.g., "a proven technique").

J.H.


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