loc:Id, T:Type, x:Id, v:T. @loc x initially v:T  Realizer 

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Definitions	x:A. B(x), t  T, Realizer, @loc x initially v:T, Prop, x. t(x), x(s)
Lemmas	Id wf, Knd wf, IdLnk wf, fpf wf, decl-state wf, decl-type wf, unit wf