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Re: What is @@@?
Szabolcs Horvát wrote: > AES wrote: >> In article <ft2au1$ph5$1 at smc.vnet.net>, >> "Kevin J. McCann" <Kevin.McCann at umbc.edu> wrote: >> >>> I have seen several references to the command @@@ in this newsgroup, >>> but a query of the online Documentation Center just refers me to >>> Apply (@@). What does it do and where can I read about it? >> >> More broadly: >> >> * Do all the _non-alphabetical_ commands (or symbols, or operators, >> or abbreviations, or whatever is their proper appellation) like >> "/.", "//.", "->", "=>", "@", etc, etc, etc, have a unique >> appellation _as a class_? >> >> * Does each of these non-alphabetical constructs also have a unique >> individual name? >> >> * Suppose one wanted to get a complete (complete!) list of all of >> these non-alphabetical constructs, their names, and maybe a brief >> description of their meaning, to use maybe as a reference list, a crib >> sheet, or just to see which of them one hasn't learned yet. Where >> would one go? >> > > I remembered that there was a table in the documentation listing all > operators in order of decreasing *precedence*. It is very easy to find > by searching for "precedence" in the hand compiled master index of the > v5 documentation. But after having searched for 10 minutes, I just > don't have any more patience to look it up in the v6 documentation ... > > So here's the v5 doc link: > > http://documents.wolfram.com/mathematica/book/section-A.2.7 > Well, it's no wonder I didn't find it. It is under Core Language -> Appendix: Language Structure -> Input Syntax -> Operator Input Forms in the "Virtual Book", but it turns out that the files are missing!