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) ∈ supposing ↑e ∈b prior(X)) 
  supposing ∀e:E. (↑e ∈b ⇐⇒ ↑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: supposing a uall: [x:A]. B[x] top: Top all: x:A. B[x] iff: ⇐⇒ Q and: P ∧ Q universe: Type equal: 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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