Nuprl Lemma : MMTree-rank_wf

T:Type. ∀t:MMTree(T).  (MMTree-rank(t) ∈ ℕ)


Proof




Definitions occuring in Statement :  MMTree-rank: MMTree-rank(t) MMTree: MMTree(T) nat: all: x:A. B[x] member: t ∈ T universe: Type
Lemmas :  nat_properties less_than_transitivity1 less_than_irreflexivity ge_wf less_than_wf le_wf MMTree_size_wf int_seg_wf decidable__le subtract_wf false_wf not-ge-2 less-iff-le condition-implies-le minus-one-mul zero-add minus-add minus-minus add-associates add-swap add-commutes add_functionality_wrt_le add-zero le-add-cancel decidable__equal_int subtype_rel-int_seg le_weakening int_seg_properties MMTree-ext eq_atom_wf bool_wf eqtt_to_assert assert_of_eq_atom subtype_base_sq atom_subtype_base eqff_to_assert equal_wf bool_cases_sqequal bool_subtype_base assert-bnot neg_assert_of_eq_atom sum-nat length_wf_nat list_wf sum_wf select_wf sq_stable__le length_wf non_neg_sum zero-le-nat decidable__lt sum-nat-less sum-nat-le subtract-is-less lelt_wf not-equal-2 le-add-cancel-alt not-le-2 add-mul-special zero-mul nat_wf MMTree_wf list-subtype l_member_wf imax-list-is-nat map_wf imax-list_wf cons_wf length_of_cons_lemma map-length non_neg_length squash_wf and_wf
\mforall{}T:Type.  \mforall{}t:MMTree(T).    (MMTree-rank(t)  \mmember{}  \mBbbN{})



Date html generated: 2015_07_17-AM-07_47_23
Last ObjectModification: 2015_01_27-AM-09_40_02

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