Nuprl Lemma : es-interface-restrict-conditional

[Info,A:Type]. ∀[I:EClass(A)]. ∀[P:es:EO+(Info) ─→ E ─→ ℙ]. ∀[p:∀es:EO+(Info). ∀e:E.  Dec(P[es;e])].
  [(I|p)?(I|¬p)] I ∈ EClass(A) supposing Singlevalued(I)


Proof




Definitions occuring in Statement :  es-interface-co-restrict: (I|¬p) es-interface-restrict: (I|p) cond-class: [X?Y] sv-class: Singlevalued(X) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E decidable: Dec(P) uimplies: supposing a uall: [x:A]. B[x] prop: so_apply: x[s1;s2] all: x:A. B[x] function: x:A ─→ B[x] universe: Type equal: t ∈ T
Lemmas :  all_wf es-E_wf event-ordering+_subtype decidable_wf bag_size_empty_lemma equal_wf sv-class_wf event-ordering+_wf eclass_wf sv-class-iff

Latex:
\mforall{}[Info,A:Type].  \mforall{}[I:EClass(A)].  \mforall{}[P:es:EO+(Info)  {}\mrightarrow{}  E  {}\mrightarrow{}  \mBbbP{}].
\mforall{}[p:\mforall{}es:EO+(Info).  \mforall{}e:E.    Dec(P[es;e])].
    [(I|p)?(I|\mneg{}p)]  =  I  supposing  Singlevalued(I)



Date html generated: 2015_07_20-PM-03_32_32
Last ObjectModification: 2015_01_27-PM-10_17_34

Home Index