Sunil  wrote:

> Folks, I am not writing this post in support of creationists.
> 
> Lately, I read in a book titled "Informal logic" in which the authors
> quotes that some people in evolution camp are using "begging
> question".
> 
> For example, they classify things based on the premiss to be proved;
> and predictions based on these classifications are used for
> argumentation. Tha author of the Informal logic, Walton, has given the
> newly founded society within evolutionary camp to avoid this kinda
> taxonomy.
> 
> 
> Any idea?

Sounds like the dispute between process and pattern cladism. Cladism
calssifies on the basis of shared characters that are different from the
nearest relatives of two or more groups. Process cladism treats this
resulting classification as a tree of the history of life. Pattern
cladists argue that the cladistic classification must be independent of
history, because they are what tests the historical reconstructions.

However, it might actually be a reference to the rejection of the older
form of classification on the basis of adaptive zones, or grades,
because the histories produced this way were based on a prior assumption
that these grades existed, and of course this was only known because
some groups (such as humans) were previously marked out as special
because of their grade of organisation. This goes way back, to the
18thC. Cladists call this "gradism", and it was promoted heavily by
20thC evolutionary biologists like Simpson, Mayr and Julian Huxley.
-- 
John Wilkins wilkins.id.au
For long you live and high you fly, 
and smiles you'll give and tears you'll cry
and all you touch and all you see is all your life will ever be
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