Nuprl Lemma : lg-remove_wf

[T:Type]. ∀[g:LabeledGraph(T)]. ∀[x:ℕ].  (lg-remove(g;x) ∈ LabeledGraph(T))


Proof




Definitions occuring in Statement :  lg-remove: lg-remove(g;n) labeled-graph: LabeledGraph(T) nat: uall: [x:A]. B[x] member: t ∈ T universe: Type
Lemmas :  map_wf list_wf int_seg_wf nat_wf le_int_wf bool_wf eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot assert_of_le_int le_wf subtract_wf filter_wf5 subtype_rel_list l_member_wf bnot_wf eq_int_wf append_wf firstn_wf nth_tl_wf top_wf int_subtype_base map-length length-append lt_int_wf length_wf eqtt_to_assert assert_of_lt_int less_than_wf sq_stable__le le_weakening2 decidable__le false_wf not-le-2 condition-implies-le minus-add minus-one-mul zero-add add-associates add-swap add-commutes add_functionality_wrt_le add-zero le-add-cancel less-iff-le le-add-cancel2 add-mul-special zero-mul add_functionality_wrt_eq length_firstn length_nth_tl iff_weakening_equal firstn_all nth_tl_is_nil length_of_nil_lemma assert_wf lelt_wf minus-minus decidable__lt le-add-cancel-alt not_wf equal-wf-base-T filter_wf3 iff_transitivity iff_weakening_uiff assert_of_bnot assert_of_eq_int

Latex:
\mforall{}[T:Type].  \mforall{}[g:LabeledGraph(T)].  \mforall{}[x:\mBbbN{}].    (lg-remove(g;x)  \mmember{}  LabeledGraph(T))



Date html generated: 2015_07_22-PM-00_28_10
Last ObjectModification: 2015_02_04-PM-04_03_59

Home Index