Talk:Subobject classifier

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What is the map 1 -> Ω used in the pullback diagram?

It intuitively represents the "true" point in the subobject classifier [StefanLjungstrand 84.217.41.47 20:51, 1 February 2006 (UTC)]

[edit] More examples?

Anybody think there should be more examples (at the very least, the 'classical' subobject classifier in Set, and maybe one nonclassical example with no topology?) BenetD 21:00, 20 February 2006 (UTC)