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

• To: mathgroup at smc.vnet.net
• Subject: [mg61358] Fw: [mg61350] Function, Command, Operator, Object...etc.
• From: "Hermann Schmitt" <schmitther at t-online.de>
• Date: Mon, 17 Oct 2005 02:29:24 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

```----- Original Message -----
From: "Hermann Schmitt" <schmitther at t-online.de>
To: mathgroup at smc.vnet.net
Subject: [mg61358] Re: [mg61350] Function, Command, Operator, Object...etc.

> Hello,
> these terms are useful for the programmer.
> E.g.you can use objects with heads you chose and define functions for this
> objects.
> Examples for this you can find in my  "oo system for Mathemtica"
> (www.schmitther.de)
> Hermann Schmitt
> ----- Original Message -----
> From: "Steven T. Hatton" <hattons at globalsymmetry.com>
To: mathgroup at smc.vnet.net
> To: <mathgroup at smc.vnet.net>
> Sent: Sunday, October 16, 2005 6:18 AM
> Subject: [mg61358] [mg61350] Function, Command, Operator, Object...etc.
>
>
> > 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
> >
>

```

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