Nuprl Lemma : base-process-class-program-ap
∀[f:Name ─→ Type]. ∀[Info,T:Type]. ∀[loc:Id]. ∀[hdr:Name].
  ∀[P:Id ─→ hdataflow(Info;T)]. ∀[a:Message(f)]. ∀[i:Top].
    (base-process-class-program(P;loc;hdr) i(a) ~ if hdf-halted(P loc) then <hdf-halt(), {}>
    if test-msg-header-and-loc(a;hdr;loc)
      then let P',b = P loc(snd(msg-body(a))) 
           in <base-process-class-program(λi.P';loc;hdr) i, b>
    else <base-process-class-program(P;loc;hdr) i, {}>
    fi ) 
  supposing hdr encodes Id × Top
Proof
Definitions occuring in Statement : 
base-process-class-program: base-process-class-program(X;loc;hdr)
, 
test-msg-header-and-loc: test-msg-header-and-loc(msg;hdr;loc)
, 
encodes-msg-type: hdr encodes T
, 
msg-body: msg-body(msg)
, 
Message: Message(f)
, 
Id: Id
, 
name: Name
, 
ifthenelse: if b then t else f fi 
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
pi2: snd(t)
, 
apply: f a
, 
lambda: λx.A[x]
, 
function: x:A ─→ B[x]
, 
spread: spread def, 
pair: <a, b>
, 
product: x:A × B[x]
, 
universe: Type
, 
sqequal: s ~ t
, 
empty-bag: {}
, 
hdf-halt: hdf-halt()
, 
hdf-halted: hdf-halted(P)
, 
hdf-ap: X(a)
, 
hdataflow: hdataflow(A;B)
Lemmas : 
eqtt_to_assert, 
eqff_to_assert, 
equal_wf, 
bool_wf, 
bool_cases_sqequal, 
subtype_base_sq, 
bool_subtype_base, 
assert-bnot, 
test-msg-header-and-loc_wf, 
top_wf, 
Message_wf, 
Id_wf, 
hdataflow_wf, 
encodes-msg-type_wf, 
name_wf
Latex:
\mforall{}[f:Name  {}\mrightarrow{}  Type].  \mforall{}[Info,T:Type].  \mforall{}[loc:Id].  \mforall{}[hdr:Name].
    \mforall{}[P:Id  {}\mrightarrow{}  hdataflow(Info;T)].  \mforall{}[a:Message(f)].  \mforall{}[i:Top].
        (base-process-class-program(P;loc;hdr)  i(a)  \msim{}  if  hdf-halted(P  loc)  then  <hdf-halt(),  \{\}>
        if  test-msg-header-and-loc(a;hdr;loc)
            then  let  P',b  =  P  loc(snd(msg-body(a))) 
                      in  <base-process-class-program(\mlambda{}i.P';loc;hdr)  i,  b>
        else  <base-process-class-program(P;loc;hdr)  i,  \{\}>
        fi  ) 
    supposing  hdr  encodes  Id  \mtimes{}  Top
Date html generated:
2015_07_22-PM-00_03_41
Last ObjectModification:
2015_01_28-AM-09_53_29
Home
Index