Nuprl Lemma : rat-cube-complex-polyhedron-compact

∀k:ℕ. ∀[n:ℕ]. ∀K:{K:n-dim-complex| 0 < ||K||} . mcompact(|K|;rn-prod-metric(k))


Proof




Definitions occuring in Statement :  rat-cube-complex-polyhedron: |K|,  rn-prod-metric: rn-prod-metric(n),  mcompact: mcompact(X;d),  length: ||as||,  nat: ℕ,  less_than: a < b,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  set: {x:A| B[x]} ,  natural_number: $n,  rational-cube-complex: n-dim-complex
Definitions unfolded in proof :  bfalse: ff,  btrue: tt,  ifthenelse: if b then t else f fi ,  uiff: uiff(P;Q),  guard: {T},  sq_type: SQType(T),  top: Top,  false: False,  exists: ∃x:A. B[x],  satisfiable_int_formula: satisfiable_int_formula(fmla),  not: ¬A,  or: P ∨ Q,  decidable: Dec(P),  ge: i ≥ j ,  nat: ℕ,  squash: ↓T,  less_than: a < b,  le: A ≤ B,  lelt: i ≤ j < k,  uimplies: b supposing a,  int_seg: {i..j-},  rat-cube-dimension: dim(c),  l_all: (∀x∈L.P[x]),  and: P ∧ Q,  sq_stable: SqStable(P),  implies: P ⇒ Q,  so_apply: x[s],  prop: ℙ,  so_lambda: λ2x.t[x],  member: t ∈ T,  rational-cube-complex: n-dim-complex,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x]
Lemmas referenced :  istype-nat,  istype-less_than,  rational-cube-complex_wf,  rat-cube-complex-polyhedron-compact1,  int_seg_wf,  int_formula_prop_eq_lemma,  intformeq_wf,  assert_of_bnot,  eqff_to_assert,  eqtt_to_assert,  bool_subtype_base,  bool_wf,  subtype_base_sq,  bool_cases,  int_formula_prop_less_lemma,  intformless_wf,  istype-le,  length_wf,  decidable__lt,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  istype-void,  int_formula_prop_and_lemma,  istype-int,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  full-omega-unsat,  decidable__le,  nat_properties,  int_seg_properties,  select_wf,  assert_witness,  sq_stable__assert,  l_member_wf,  inhabited-rat-cube_wf,  assert_wf,  rational-cube_wf,  sq_stable__l_all
Rules used in proof :  baseClosed,  imageMemberEquality,  minusEquality,  equalitySymmetry,  equalityTransitivity,  cumulativity,  instantiate,  dependent_set_memberEquality_alt,  independent_pairFormation,  voidElimination,  isect_memberEquality_alt,  int_eqEquality,  dependent_pairFormation_alt,  approximateComputation,  unionElimination,  natural_numberEquality,  imageElimination,  independent_isectElimination,  productElimination,  inhabitedIsType,  functionIsTypeImplies,  dependent_functionElimination,  independent_functionElimination,  because_Cache,  universeIsType,  setIsType,  lambdaEquality_alt,  sqequalRule,  hypothesis,  hypothesisEquality,  isectElimination,  extract_by_obid,  introduction,  sqequalHypSubstitution,  rename,  thin,  setElimination,  cut,  isect_memberFormation_alt,  lambdaFormation_alt,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}k:\mBbbN{}.  \mforall{}[n:\mBbbN{}].  \mforall{}K:\{K:n-dim-complex|  0  <  ||K||\}  .  mcompact(|K|;rn-prod-metric(k))



Date html generated: 2019_10_31-AM-06_04_02
Last ObjectModification: 2019_10_30-PM-04_14_39

Theory : real!vectors


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