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

Home Index