Nuprl Lemma : C_TYPE-rank_wf

[ctyp:C_TYPE()]. (C_TYPE-rank(ctyp) ∈ ℕ)


Proof




Definitions occuring in Statement :  C_TYPE-rank: C_TYPE-rank(ctyp) C_TYPE: C_TYPE() nat: uall: [x:A]. B[x] member: t ∈ T
Lemmas :  C_TYPE_ind_wf_simple nat_wf false_wf le_wf sum_wf length_wf_nat select_wf C_TYPE_wf sq_stable__le int_seg_wf length_wf non_neg_sum zero-le-nat subtype_rel-equal spread_to_pi12 top_wf subtype_rel_list subtype_rel_product subtype_top iff_weakening_equal l_all_wf2 l_member_wf list_wf decidable__le 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
\mforall{}[ctyp:C\_TYPE()].  (C\_TYPE-rank(ctyp)  \mmember{}  \mBbbN{})



Date html generated: 2015_07_17-AM-07_42_59
Last ObjectModification: 2015_02_03-PM-09_38_17

Home Index