Nuprl Lemma : eclass0-single-val

∀[Info,B,C:Type]. ∀[X:EClass(B)]. ∀[f:Id ─→ B ─→ bag(C)]. ∀[es:EO+(Info)].
  (single-valued-classrel(es;(f o X);C)) supposing 
     (single-valued-classrel(es;X;B) and 
     (∀i:Id. ∀b:B.  single-valued-bag(f i b;C)))


Proof




Definitions occuring in Statement :  eclass0: (f o X),  single-valued-classrel: single-valued-classrel(es;X;T),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  Id: Id,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  apply: f a,  function: x:A ─→ B[x],  universe: Type,  single-valued-bag: single-valued-bag(b;T),  bag: bag(T)
Lemmas :  classrel_wf,  eclass0_wf,  es-E_wf,  event-ordering+_subtype,  single-valued-classrel_wf,  all_wf,  Id_wf,  single-valued-bag_wf,  event-ordering+_wf,  bag_wf,  eclass_wf,  eclass0-classrel,  es-loc_wf,  and_wf,  equal_wf,  bag-member_wf
\mforall{}[Info,B,C:Type].  \mforall{}[X:EClass(B)].  \mforall{}[f:Id  {}\mrightarrow{}  B  {}\mrightarrow{}  bag(C)].  \mforall{}[es:EO+(Info)].
    (single-valued-classrel(es;(f  o  X);C))  supposing 
          (single-valued-classrel(es;X;B)  and 
          (\mforall{}i:Id.  \mforall{}b:B.    single-valued-bag(f  i  b;C)))



Date html generated: 2015_07_17-PM-00_35_39
Last ObjectModification: 2015_01_27-PM-11_29_46

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