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groupoid (category theoretic)

Defines: 
composable pair
Synonym: 
groupoid, virtual group
Type of Math Object: 
Definition
Major Section: 
Reference

Mathematics Subject Classification

18B40 no label found20L05 no label found

Comments

I thought that this was bad practise. Doesn't the MSC make this superfluous? Or because this concept of groupoid is so close semantically (that is, algebra) to the one in group theory that you require the parenthetical remark?

- J"

It's for indexing purposes. Think of the search results screen: if you see

groupoid
blah dee blah

groupoid
blah de blah

Which one do you pick? It's even worse for the alphabetical listing.

If you put "hinting" in the actual title, but synonym the "real" title, this problem goes away.

apk

In that case,

http://aux.planetmath.org/doc/newuser.html

needs to be updated.

- J"

Oops, never mind. There is already a clause saying when this is appropriate. :P

- J"

Oops, never mind. There is already a clause saying when this is appropriate. :P

- J"

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