Hi, My understanding is: () - parentheses {} - braces [] - square brackets <> - angle brackets
Jim On Wed, Dec 16, 2015 at 6:17 AM, S Ellison <s.elli...@lgcgroup.com> wrote: > > It is clear that a ) although is a type of bracket it is called a > parenthesis, just as , > > is called a comma, which is a type of punctuation mark. > > These things are called parentheses because of what they do, not what they > are. > A parenthesis is any word or phrase inserted as an explanation or > afterthought into text that would be is grammatically complete without it, > usually bounded by punctuation. The bounding punctuation marks are then > called parentheses, and can be round, square, or curly brackets, dashes, or > just commas. > > So (), [], {}, - ... - and , ... , are _all_ pairs of parentheses in > grammatical usage. > > Three of them are also kinds of bracket, but not the only kinds. > > There's a disturbingly extensive article on it at > https://en.wikipedia.org/wiki/Bracket#Names_for_various_bracket_symbols > > which suggests to me that the terms are unlikely to be standardised > quickly. > > Steve E > > > ******************************************************************* > This email and any attachments are confidential. Any u...{{dropped:13}} ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.