Nuprl Lemma : weak-joint-embedding-preserves-causal-invariant
∀[Info:Type]. ∀[R:Id ─→ Id ─→ Info List+ ─→ Info List+ ─→ ℙ]. ∀[P:Id ─→ Info List+ ─→ ℙ].
  ∀eo1,eo2,eo:EO+(Info). ∀f:E ─→ E. ∀g:E ─→ E.
    (es-weak-joint-embedding(Info;eo1;eo2;eo;f;g)
    
⇒ (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2]) eo1)
    
⇒ (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2]) eo2)
    
⇒ (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2]) eo))
Proof
Definitions occuring in Statement : 
causal-invariant: causal-invariant(i,L.P[i; L];a,b,L1,L2.R[a; b; L1; L2])
, 
es-weak-joint-embedding: es-weak-joint-embedding(Info;eo1;eo2;eo;f;g)
, 
event-ordering+: EO+(Info)
, 
es-E: E
, 
Id: Id
, 
listp: A List+
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
so_apply: x[s1;s2;s3;s4]
, 
so_apply: x[s1;s2]
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
apply: f a
, 
function: x:A ─→ B[x]
, 
universe: Type
Lemmas : 
causal-invariant_wf, 
es-local-property_wf, 
listp_wf, 
Id_wf, 
es-E_wf, 
event-ordering+_subtype, 
es-weak-joint-embedding_wf, 
event-ordering+_wf, 
embedding-preserves-local-property, 
es-causl_wf, 
es-local-relation_wf, 
and_wf, 
equal_wf, 
embedding-preserves-local-relation, 
squash_wf, 
true_wf, 
event_ordering_wf, 
iff_weakening_equal
\mforall{}[Info:Type].  \mforall{}[R:Id  {}\mrightarrow{}  Id  {}\mrightarrow{}  Info  List\msupplus{}  {}\mrightarrow{}  Info  List\msupplus{}  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[P:Id  {}\mrightarrow{}  Info  List\msupplus{}  {}\mrightarrow{}  \mBbbP{}].
    \mforall{}eo1,eo2,eo:EO+(Info).  \mforall{}f:E  {}\mrightarrow{}  E.  \mforall{}g:E  {}\mrightarrow{}  E.
        (es-weak-joint-embedding(Info;eo1;eo2;eo;f;g)
        {}\mRightarrow{}  (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2])  eo1)
        {}\mRightarrow{}  (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2])  eo2)
        {}\mRightarrow{}  (causal-invariant(i,L.P[i;L];a,b,L1,L2.R[a;b;L1;L2])  eo))
Date html generated:
2015_07_17-PM-00_13_22
Last ObjectModification:
2015_02_04-PM-05_37_18
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