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
Definitions unfolded in proof :  all: x:A. B[x] uall: [x:A]. B[x] member: t ∈ T nat: implies:  Q false: False ge: i ≥  uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] not: ¬A top: Top and: P ∧ Q prop: guard: {T} subtype_rel: A ⊆B int_seg: {i..j-} lelt: i ≤ j < k decidable: Dec(P) or: P ∨ Q le: A ≤ B less_than': less_than'(a;b) ext-eq: A ≡ B bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) sq_type: SQType(T) eq_atom: =a y ifthenelse: if then else fi  MMTree_Leaf: MMTree_Leaf(val) MMTree_size: MMTree_size(p) MMTree-rank: MMTree-rank(t) MMTree_Leaf?: MMTree_Leaf?(v) pi1: fst(t) MMTree_Node-forest: MMTree_Node-forest(v) pi2: snd(t) bfalse: ff bnot: ¬bb assert: b MMTree_Node: MMTree_Node(forest) so_lambda: λ2x.t[x] less_than: a < b squash: T so_apply: x[s] cand: c∧ B nat_plus: + true: True l_member: (x ∈ l)
Lemmas referenced :  and_wf squash_wf add-is-int-iff nat_plus_properties nat_plus_wf add_nat_plus map-length length_of_cons_lemma cons_wf imax-list_wf map_wf imax-list-is-nat l_member_wf list-subtype nat_wf sum-nat-le sum-nat-less int_term_value_add_lemma itermAdd_wf length_wf decidable__lt select_wf MMTree_wf list_wf length_wf_nat sum-nat neg_assert_of_eq_atom assert-bnot bool_subtype_base bool_cases_sqequal equal_wf eqff_to_assert atom_subtype_base subtype_base_sq assert_of_eq_atom eqtt_to_assert bool_wf eq_atom_wf MMTree-ext int_formula_prop_eq_lemma intformeq_wf lelt_wf false_wf int_seg_subtype decidable__equal_int int_term_value_subtract_lemma int_formula_prop_not_lemma itermSubtract_wf intformnot_wf subtract_wf decidable__le int_seg_properties int_seg_wf MMTree_size_wf le_wf less_than_wf ge_wf int_formula_prop_wf int_formula_prop_less_lemma int_term_value_var_lemma int_term_value_constant_lemma int_formula_prop_le_lemma int_formula_prop_and_lemma intformless_wf itermVar_wf itermConstant_wf intformle_wf intformand_wf satisfiable-full-omega-tt nat_properties
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation cut thin isect_memberFormation introduction lemma_by_obid sqequalHypSubstitution isectElimination hypothesisEquality hypothesis setElimination rename sqequalRule intWeakElimination natural_numberEquality independent_isectElimination dependent_pairFormation lambdaEquality int_eqEquality intEquality dependent_functionElimination isect_memberEquality voidElimination voidEquality independent_pairFormation computeAll independent_functionElimination axiomEquality equalityTransitivity equalitySymmetry applyEquality because_Cache productElimination unionElimination setEquality hypothesis_subsumption dependent_set_memberEquality promote_hyp tokenEquality equalityElimination instantiate cumulativity atomEquality imageElimination equalityEquality addEquality universeEquality imageMemberEquality baseClosed pointwiseFunctionality baseApply closedConclusion addLevel levelHypothesis substitution

Latex:
\mforall{}T:Type.  \mforall{}t:MMTree(T).    (MMTree-rank(t)  \mmember{}  \mBbbN{})



Date html generated: 2016_05_16-AM-08_55_48
Last ObjectModification: 2016_01_17-AM-09_43_23

Theory : C-semantics


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