ds:fpf(Id; x.Type), da:fpf(Knd; k.Type), i:Id, es:event_system{i:l}.
(x:Id. subtype_rel(es-vartype(es; i; x); fpf-cap(ds; id-deq; x; top)))
 (e:es-E(es). 
 (loc(e) = i)  subtype_rel(es-valtype(es; e); fpf-cap(da; Kind-deq; es-kind(es; e); top)))
 (e1,e2:es-E(es). (loc(e2) = i)  (es-hist{i:l}(es;e1;e2)  (event-info(ds;da) List))) 

latex

Definitions	es-info(es;e), t  T, event-info(ds;da), x:A. B(x), map(f; as), subtype(S; T), P  Q, es-hist{i:l}(es;e1;e2), x. t(x), fpf(A; a.B(a)), Knd, event_system{i:l}, top, id-deq, fpf-cap(f; eq; x; z), es-vartype(es; i; x), es-kind(es; e), Kind-deq, es-valtype(es; e), prop{i:l}, [e, e'], loc(e), Id, es-E(es), b, False, A
Lemmas	es-info wf, es-loc-pred, es-valtype wf, Kind-deq wf, es-kind wf, es-vartype wf, fpf-cap wf, id-deq wf, top wf, event system wf, Knd wf, fpf wf, es-interval wf2, map wf, event-info wf, es-E wf, Id wf, es-loc wf