Nuprl Lemma : es-prior-interface-same
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X,Y:EClass(Top)].
  (∀[e:E]. uiff(↑e ∈b prior(X);↑e ∈b prior(Y))) ∧ (∀[e:E]. prior(Y)(e) = prior(X)(e) ∈ E supposing ↑e ∈b prior(X)) 
  supposing ∀e:E. (↑e ∈b X 
⇐⇒ ↑e ∈b Y)
Proof
Definitions occuring in Statement : 
es-prior-interface: prior(X)
, 
eclass-val: X(e)
, 
in-eclass: e ∈b X
, 
eclass: EClass(A[eo; e])
, 
event-ordering+: EO+(Info)
, 
es-E: E
, 
assert: ↑b
, 
uiff: uiff(P;Q)
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
all: ∀x:A. B[x]
, 
iff: P 
⇐⇒ Q
, 
and: P ∧ Q
, 
universe: Type
, 
equal: s = t ∈ T
Lemmas : 
is-prior-interface, 
es-E-interface-property, 
assert_wf, 
in-eclass_wf, 
es-locl_wf, 
assert_witness, 
es-prior-interface_wf0, 
es-interface-subtype_rel2, 
es-E_wf, 
event-ordering+_subtype, 
event-ordering+_wf, 
top_wf, 
subtype_top, 
all_wf, 
iff_wf, 
es-prior-interface-equal, 
or_wf, 
eclass-val_wf2, 
es-prior-interface_wf, 
es-E-interface_wf
Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X,Y:EClass(Top)].
    (\mforall{}[e:E].  uiff(\muparrow{}e  \mmember{}\msubb{}  prior(X);\muparrow{}e  \mmember{}\msubb{}  prior(Y)))
    \mwedge{}  (\mforall{}[e:E].  prior(Y)(e)  =  prior(X)(e)  supposing  \muparrow{}e  \mmember{}\msubb{}  prior(X)) 
    supposing  \mforall{}e:E.  (\muparrow{}e  \mmember{}\msubb{}  X  \mLeftarrow{}{}\mRightarrow{}  \muparrow{}e  \mmember{}\msubb{}  Y)
Date html generated:
2015_07_21-PM-02_46_18
Last ObjectModification:
2015_01_27-PM-07_37_38
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