Nuprl Lemma : State-comb-functional
∀[Info,B,A:Type]. ∀[f:A ─→ B ─→ B]. ∀[init:Id ─→ bag(B)]. ∀[X:EClass(A)]. ∀[es:EO+(Info)].
  (State-comb(init;f;X) is functional) supposing 
     (single-valued-classrel(es;X;A) and 
     (∀l:Id. single-valued-bag(init l;B)) and 
     (∀l:Id. (1 ≤ #(init l))))
Proof
Definitions occuring in Statement : 
State-comb: State-comb(init;f;X)
, 
es-functional-class: X is functional
, 
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]
, 
le: A ≤ B
, 
all: ∀x:A. B[x]
, 
apply: f a
, 
function: x:A ─→ B[x]
, 
natural_number: $n
, 
universe: Type
, 
single-valued-bag: single-valued-bag(b;T)
, 
bag-size: #(bs)
, 
bag: bag(T)
Lemmas : 
State-comb-single-val, 
State-comb-total, 
classrel_wf, 
State-comb_wf, 
es-E_wf, 
event-ordering+_subtype, 
less_than_wf, 
bag-size_wf, 
class-ap_wf, 
nat_wf, 
single-valued-classrel_wf, 
all_wf, 
Id_wf, 
single-valued-bag_wf, 
le_wf, 
event-ordering+_wf, 
eclass_wf, 
bag_wf
Latex:
\mforall{}[Info,B,A:Type].  \mforall{}[f:A  {}\mrightarrow{}  B  {}\mrightarrow{}  B].  \mforall{}[init:Id  {}\mrightarrow{}  bag(B)].  \mforall{}[X:EClass(A)].  \mforall{}[es:EO+(Info)].
    (State-comb(init;f;X)  is  functional)  supposing 
          (single-valued-classrel(es;X;A)  and 
          (\mforall{}l:Id.  single-valued-bag(init  l;B))  and 
          (\mforall{}l:Id.  (1  \mleq{}  \#(init  l))))
Date html generated:
2015_07_22-PM-00_21_42
Last ObjectModification:
2015_01_28-AM-10_12_16
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