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: ℕ,  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: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  top: Top,  and: P ∧ Q,  prop: ℙ,  guard: {T},  subtype_rel: A ⊆r 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: x =a y,  ifthenelse: if b then t else f 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: A c∧ B,  nat_plus: ℕ+,  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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