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created a stub for decidability, mainly only so that the mainy pointers to it do point somewhere
Shouldn’t that be decidable type checking? We also have decidable equality, decidable object, decidable proposition, and decidable subset. The Wikipedia article that you linked is about something still else. But of course, all of these are related.
I would move the page, but an AnonymousCoward is editing it now.
Yesterday (I think), I changed a link that you (or somebody) made to decidability (before the page existed) to decidable judgment. That’s a very general notion, which includes decidable type-checking, decidable equality (one way or another) and decidable propositions. (The other two are a little extra-logical but very closely related to decidable equality and decidable propositions.)
Oh, okay. Please fix. I don’t really understand this, I just wanted the pointers to that term to go somewhere. And I thought the Wikipedia article was implicitly about the type-checking, just not stated in type theory language. Isn’t it? Sorry then, please fix.
Now Ulrik is editing the page instead of AnonymousCoward. The stuff at Wikipedia can be expressed using type-checking, but so can everything else in mathematics, so that’s not saying much. It doesn’t seem to be that naturally to me.
This has been touched on above, but just to bump it: it seems a little peculiar to me to have type checking redirect to decidability. May wish to return to this soon.
I cleaned up decidability a bit (esp. fixing gray links that were needlessly gray).
Yes. I suggest we move decidability to decidable type checking, and make a disambiguation page for decidability.
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