Nuprl Lemma : es-interface-or-right_wf

[Info,A,B:Type]. ∀[X:EClass(one_or_both(A;B))].  (es-interface-or-right(X) ∈ EClass(B))


Proof




Definitions occuring in Statement :  es-interface-or-right: es-interface-or-right(X) eclass: EClass(A[eo; e]) uall: [x:A]. B[x] member: t ∈ T universe: Type one_or_both: one_or_both(A;B)
Lemmas :  es-filter-image_wf one_or_both_wf oob-getright?_wf eclass_wf es-E_wf event-ordering+_subtype event-ordering+_wf

Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[X:EClass(one\_or\_both(A;B))].    (es-interface-or-right(X)  \mmember{}  EClass(B))



Date html generated: 2015_07_20-PM-03_25_24
Last ObjectModification: 2015_01_27-PM-10_21_12

Home Index