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MathGroup Archive 2004

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Re: how to delete duplicate items in the same list

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45576] Re: how to delete duplicate items in the same list
  • From: AES/newspost <siegman at stanford.edu>
  • Date: Wed, 14 Jan 2004 01:26:46 -0500 (EST)
  • References: <bto1uf$2ka$1@smc.vnet.net> <bu0cjl$ah9$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

> > I can't find a way to make sure all items in the same list are unique. Can
> > anybody help me out? Thanks a lot!

> Union[a]==a


Can anyone explain why "Union" means what it does?  -- or at least a 
mental crutch to help me remember that Union is the command that does 
this?

(Doesn't seem an obvious name for the function involved, though I 
suppose I could try to think "Unique" --->  "Union")


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