Nuprl Lemma : eclass3-functional

∀[Info,B,C:Type]. ∀[X:EClass(B ─→ C)]. ∀[Y:EClass(B)]. ∀[es:EO+(Info)].
  (eclass3(X;Y) is functional) supposing (X is functional and Y is functional)


Proof




Definitions occuring in Statement :  eclass3: eclass3(X;Y),  es-functional-class: X is functional,  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  function: x:A ─→ B[x],  universe: Type
Lemmas :  eclass3-single-val,  eclass3-total,  classrel_wf,  eclass3_wf,  es-E_wf,  event-ordering+_subtype,  less_than_wf,  bag-size_wf,  class-ap_wf,  nat_wf,  es-functional-class_wf,  event-ordering+_wf,  eclass_wf
\mforall{}[Info,B,C:Type].  \mforall{}[X:EClass(B  {}\mrightarrow{}  C)].  \mforall{}[Y:EClass(B)].  \mforall{}[es:EO+(Info)].
    (eclass3(X;Y)  is  functional)  supposing  (X  is  functional  and  Y  is  functional)



Date html generated: 2015_07_17-PM-00_38_01
Last ObjectModification: 2015_01_27-PM-11_13_41

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