Re: Function, Command, Operator, Object...etc.

*To*: mathgroup at smc.vnet.net*Subject*: [mg61422] Re: [mg61350] Function, Command, Operator, Object...etc.*From*: Chris Chiasson <chris.chiasson at gmail.com>*Date*: Tue, 18 Oct 2005 02:45:45 -0400 (EDT)*References*: <200510160418.AAA22613@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Maybe I am wrong, but pretty much every expression has a head and zero or more slots. That's it. I wonder if a pattern is an expression... On 10/16/05, Steven T. Hatton <hattons at globalsymmetry.com> wrote: > Section 2.1.2 of The Mathematica Book for 5.2 discusses different ways to > interpret parts of expressions. The examples given are "Function, Command, > Operator, Head and Object type." Do these terms have any meaning within > the Mathematica language, or are these purely conceptual ideas intended to > aid the user in understanding the language? Are these terms given formal > definitions as regards their meaning when used to discuss Mathematica? If > so, where might I find these definitions? > -- > "Philosophy is written in this grand book, The Universe. ... But the book > cannot be understood unless one first learns to comprehend the language... > in which it is written. It is written in the language of mathematics, ...; > without which wanders about in a dark labyrinth." The Lion of Gaul > > -- Chris Chiasson http://chrischiasson.com/contact/chris_chiasson

**Follow-Ups**:**Re: Re: Function, Command, Operator, Object...etc.***From:*Andrzej Kozlowski <akoz@mimuw.edu.pl>

**References**:**Function, Command, Operator, Object...etc.***From:*"Steven T. Hatton" <hattons@globalsymmetry.com>