Nuprl Lemma : es-fix-order-preserving
∀[Info:Type]
  ∀es:EO+(Info). ∀X:EClass(Top). ∀f:E(X) ─→ E(X).
    ((∀x:E(X). f x c≤ x) ⇒ global-order-preserving(es;X;f) ⇒ interface-order-preserving(es;X;λe.f**(e)))
Proof
Definitions occuring in Statement : 
global-order-preserving: global-order-preserving(es;X;f), 
interface-order-preserving: interface-order-preserving(es;X;f), 
es-E-interface: E(X), 
eclass: EClass(A[eo; e]), 
event-ordering+: EO+(Info), 
es-fix: f**(e), 
es-causle: e c≤ e', 
uall: ∀[x:A]. B[x], 
top: Top, 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
apply: f a, 
lambda: λx.A[x], 
function: x:A ─→ B[x], 
universe: Type
Lemmas : 
es-fix_wf2, 
es-fix_property, 
es-locl_wf, 
event-ordering+_subtype, 
equal_wf, 
Id_wf, 
es-loc_wf, 
global-order-preserving_wf, 
all_wf, 
es-causle_wf, 
es-E-interface_wf, 
eclass_wf, 
top_wf, 
es-E_wf, 
event-ordering+_wf
\mforall{}[Info:Type]
    \mforall{}es:EO+(Info).  \mforall{}X:EClass(Top).  \mforall{}f:E(X)  {}\mrightarrow{}  E(X).
        ((\mforall{}x:E(X).  f  x  c\mleq{}  x)
        {}\mRightarrow{}  global-order-preserving(es;X;f)
        {}\mRightarrow{}  interface-order-preserving(es;X;\mlambda{}e.f**(e)))
Date html generated:
2015_07_17-PM-01_02_13
Last ObjectModification:
2015_01_27-PM-10_43_09
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