Why don't other programming languages have ranges?

[dsimcha]

== Quote from retard (re at tard.com.invalid)'s article
> I really love digitalmars.D because this is one of the few places where
> 99% of the community has zero experience with other languages, other
> paradigms (non-imperative), automatic theorem provers, or anything not
> related to D. There's a whole choir against theorem proving now. The
> funniest thing is that none of you seem to have any clue about how those
> programs work. Has anyone except the almighty Andrei ever even downloaded
> a theorem prover?

Does the Maxima computer algebra system count?  It has a basic theorem prover
built in, and I've played around with it a little.  If this is how theorem provers
work, then they have a long way to go.