Nuprl Lemma : es-decl-set-join_wf

[dd1,dd2:DeclSet].  (es-decl-set-join(dd1;dd2) ∈ DeclSet)


Proof




Definitions occuring in Statement :  es-decl-set-join: es-decl-set-join(dd1;dd2) es-decl-set: DeclSet uall: [x:A]. B[x] member: t ∈ T
Lemmas :  member-remove-repeats member_append deq-member_wf bool_wf eqtt_to_assert assert-deq-member null_wf3 fpf-domain_wf Knd_wf assert_wf hasloc_wf l_member_wf subtype-fpf2 top_wf subtype_top set_wf subtype_rel_list assert_of_null eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot equal-wf-T-base list_wf fpf-join_wf Id_wf or_wf Kind-deq_wf subtype_rel-deq assert_elim fpf_wf es-decl-set_wf
\mforall{}[dd1,dd2:DeclSet].    (es-decl-set-join(dd1;dd2)  \mmember{}  DeclSet)



Date html generated: 2015_07_17-AM-11_56_55
Last ObjectModification: 2015_01_28-AM-00_40_04

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