Nuprl Lemma : flow-state-compression_wf
∀[T:Type]. ∀[S:Id List]. ∀[F:information-flow(T;S)]. ∀[A:Type]. ∀[start:{i:Id| (i ∈ S)}  ─→ A]. ∀[c:A ─→ T ─→ A].
∀[H:{i:Id| (i ∈ S)}  ─→ {i:Id| (i ∈ S)}  ─→ A ─→ (T + Top)].
  (flow-state-compression(S;T;F;H;start;c) ∈ ℙ)
Proof
Definitions occuring in Statement : 
flow-state-compression: flow-state-compression(S;T;F;H;start;c)
, 
information-flow: information-flow(T;S)
, 
Id: Id
, 
l_member: (x ∈ l)
, 
list: T List
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
prop: ℙ
, 
member: t ∈ T
, 
set: {x:A| B[x]} 
, 
function: x:A ─→ B[x]
, 
union: left + right
, 
universe: Type
Lemmas : 
all_wf, 
Id_wf, 
l_member_wf, 
list_wf, 
less_than_wf, 
length_wf, 
equal_wf, 
top_wf, 
list_accum_wf, 
information-flow_wf
\mforall{}[T:Type].  \mforall{}[S:Id  List].  \mforall{}[F:information-flow(T;S)].  \mforall{}[A:Type].  \mforall{}[start:\{i:Id|  (i  \mmember{}  S)\}    {}\mrightarrow{}  A].
\mforall{}[c:A  {}\mrightarrow{}  T  {}\mrightarrow{}  A].  \mforall{}[H:\{i:Id|  (i  \mmember{}  S)\}    {}\mrightarrow{}  \{i:Id|  (i  \mmember{}  S)\}    {}\mrightarrow{}  A  {}\mrightarrow{}  (T  +  Top)].
    (flow-state-compression(S;T;F;H;start;c)  \mmember{}  \mBbbP{})
Date html generated:
2015_07_17-AM-08_58_23
Last ObjectModification:
2015_01_27-PM-01_02_34
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