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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