Nuprl Lemma : member-parallel-class

[Info,A:Type]. ∀[X,Y:EClass(A)]. ∀[es:EO+(Info)]. ∀[e:E].  uiff(↑e ∈b || Y;↑(e ∈b X ∨be ∈b Y))


Proof




Definitions occuring in Statement :  parallel-class: || Y member-eclass: e ∈b X eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E bor: p ∨bq assert: b uiff: uiff(P;Q) uall: [x:A]. B[x] universe: Type
Lemmas :  iff_transitivity assert_wf bnot_wf eq_int_wf bag-size_wf bag-append_wf nat_wf not_wf equal-wf-T-base iff_weakening_uiff assert_of_bnot assert_of_eq_int assert_of_bor bag-size-append bor_wf or_wf

Latex:
\mforall{}[Info,A:Type].  \mforall{}[X,Y:EClass(A)].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].    uiff(\muparrow{}e  \mmember{}\msubb{}  X  ||  Y;\muparrow{}(e  \mmember{}\msubb{}  X  \mvee{}\msubb{}e  \mmember{}\msubb{}  Y))



Date html generated: 2015_07_23-AM-11_26_55
Last ObjectModification: 2015_01_28-PM-11_15_41

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