Nuprl Lemma : classrel-classfun-res

∀[Info,T:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(T)]. ∀[e:E]. ∀[v:T].
  (uiff(v ∈ X(e);v = X@e ∈ T)) supposing (single-valued-classrel(es;X;T) and (↑e ∈b X))


Proof




Definitions occuring in Statement :  classfun-res: X@e,  single-valued-classrel: single-valued-classrel(es;X;T),  classrel: v ∈ X(e),  member-eclass: e ∈b X,  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  es-E: E,  assert: ↑b,  uiff: uiff(P;Q),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  universe: Type,  equal: s = t ∈ T
Lemmas :  classrel_wf,  equal_wf,  classfun-res_wf,  single-valued-classrel_wf,  assert_wf,  member-eclass_wf,  es-E_wf,  event-ordering+_subtype,  eclass_wf,  event-ordering+_wf,  bag-member-classfun-res
\mforall{}[Info,T:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(T)].  \mforall{}[e:E].  \mforall{}[v:T].
    (uiff(v  \mmember{}  X(e);v  =  X@e))  supposing  (single-valued-classrel(es;X;T)  and  (\muparrow{}e  \mmember{}\msubb{}  X))



Date html generated: 2015_07_17-PM-00_21_47
Last ObjectModification: 2015_01_27-PM-11_39_41

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