Nuprl Lemma : eclass3_local

[Info,B,C:Type]. ∀[X:EClass(B ─→ C)]. ∀[Y:EClass(B)].
  LocalClass(X)  LocalClass(Y)  LocalClass(eclass3(X;Y)) supposing valueall-type(C)


Proof




Definitions occuring in Statement :  eclass3: eclass3(X;Y) local-class: LocalClass(X) eclass: EClass(A[eo; e]) valueall-type: valueall-type(T) uimplies: supposing a uall: [x:A]. B[x] implies:  Q function: x:A ─→ B[x] universe: Type
Lemmas :  equal-wf-base base_wf eclass3-program_wf local-class_wf valueall-type_wf eclass_wf es-E_wf event-ordering+_subtype event-ordering+_wf

Latex:
\mforall{}[Info,B,C:Type].  \mforall{}[X:EClass(B  {}\mrightarrow{}  C)].  \mforall{}[Y:EClass(B)].
    LocalClass(X)  {}\mRightarrow{}  LocalClass(Y)  {}\mRightarrow{}  LocalClass(eclass3(X;Y))  supposing  valueall-type(C)



Date html generated: 2015_07_22-PM-00_01_52
Last ObjectModification: 2015_01_28-AM-09_53_42

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