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Re: (2/3)[[1]]

• To: mathgroup at smc.vnet.net
• Subject: [mg96535] Re: (2/3)[[1]]
• From: Albert Retey <awnl at gmx-topmail.de>
• Date: Mon, 16 Feb 2009 06:54:23 -0500 (EST)
• References: <gn11e8$7vn$1@smc.vnet.net> <200902130841.DAA26517@smc.vnet.net> <gn5u9r$gpu$1@smc.vnet.net>

Hi,

> Further, in the documentation page for Part, there is no explicit 
> statement that something for which AtomQ returns True does not have 
> parts.  Still Further, the documentation for AtomQ says that AtomQ[expr] 
> yields True if expr is an expression which cannot be divided into 
> subexpressions; 

If one understands 'a part of an expression' and 'subexpression' as the
same thing, I would understand the last part of the second sentence to
be just another formulation of the last part of the first.

> The situation begs for clarification!

Maybe the documentation could be improved, so it doesn't use too many
Mathematica specific words which are not clearly defined...

hth,

albert

• References:
  • Re: (2/3)[[1]]
    • From: David Bailey <dave@removedbailey.co.uk>