Nuprl Lemma : RankEx2_ListProd_wf

[S,T:Type]. ∀[listprod:(S × RankEx2(S;T)) List].  (RankEx2_ListProd(listprod) ∈ RankEx2(S;T))


Proof




Definitions occuring in Statement :  RankEx2_ListProd: RankEx2_ListProd(listprod) RankEx2: RankEx2(S;T) list: List uall: [x:A]. B[x] member: t ∈ T product: x:A × B[x] universe: Type
Lemmas :  RankEx2co-ext subtype_rel_list RankEx2co_wf subtype_rel_product eq_atom_wf bool_wf eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot neg_assert_of_eq_atom eqtt_to_assert assert_of_eq_atom list_wf add_nat_wf false_wf le_wf sum-nat length_wf_nat RankEx2_size_wf select_wf sq_stable__le int_seg_wf length_wf nat_wf value-type-has-value set-value-type int-value-type has-value_wf-partial RankEx2co_size_wf RankEx2_wf
\mforall{}[S,T:Type].  \mforall{}[listprod:(S  \mtimes{}  RankEx2(S;T))  List].    (RankEx2\_ListProd(listprod)  \mmember{}  RankEx2(S;T))



Date html generated: 2015_07_17-AM-07_49_19
Last ObjectModification: 2015_01_27-AM-09_37_40

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