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Re: All combinations

• To: mathgroup at smc.vnet.net
• Subject: [mg47469] Re: All combinations
• From: Bill Rowe <readnewsciv at earthlink.net>
• Date: Tue, 13 Apr 2004 06:26:20 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

On 4/12/04 at 3:44 AM, Harold.Noffke at wpafb.af.mil (Harold Noffke)
wrote:

>Where is the form "S_List" documented? 

See Appendix A.5 Patterns and Transformation Rules of the Mathematica Book

>What does this notation, with the underscore embedded between two
>strings, signify?

From Appendix A.5

_ stands for any expression
S_ stands for any expression given the name S
S_List stands for any expression given the name S with head List
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