Nuprl Lemma : rat-cube-complex-polyhedron-compact1

∀k:ℕ. ∀K:ℚCube(k) List.  (0 < ||K|| ⇒ (∀c∈K.↑Inhabited(c)) ⇒ 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),  l_all: (∀x∈L.P[x]),  length: ||as||,  list: T List,  nat: ℕ,  assert: ↑b,  less_than: a < b,  all: ∀x:A. B[x],  implies: P ⇒ Q,  natural_number: $n,  inhabited-rat-cube: Inhabited(c),  rational-cube: ℚCube(k)
Definitions unfolded in proof :  l_exists: (∃x∈L. P[x]),  rat-cube-complex-polyhedron: |K|,  ext-eq: A ≡ B,  iff: P ⇐⇒ Q,  stable-union: Error :stable-union,  subtype_rel: A ⊆r B,  l_all: (∀x∈L.P[x]),  so_apply: x[s],  so_lambda: λ2x.t[x],  rev_uimplies: rev_uimplies(P;Q),  uiff: uiff(P;Q),  so_apply: x[s1;s2],  prop: ℙ,  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,  and: P ∧ Q,  lelt: i ≤ j < k,  uimplies: b supposing a,  int_seg: {i..j-},  so_lambda: λ2x y.t[x; y],  member: t ∈ T,  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  all: ∀x:A. B[x]
Lemmas referenced :  l_exists_wf,  metric-on-subtype,  rat-cube-complex-polyhedron_wf,  Error :stable-union_wf,  mcompact_functionality,  mcompact-rat-cube,  istype-nat,  list_wf,  istype-less_than,  l_member_wf,  inhabited-rat-cube_wf,  assert_wf,  l_all_wf2,  mcomplete-rn-prod-metric,  nsub_finite,  meq_wf,  in-rat-cube_functionality,  int_formula_prop_less_lemma,  intformless_wf,  istype-le,  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,  in-rat-cube_wf,  rational-cube_wf,  length_wf,  int_seg_wf,  rn-prod-metric_wf,  real-vec_wf,  mcompact-stable-union
Rules used in proof :  functionIsType,  applyEquality,  closedConclusion,  productIsType,  setIsType,  dependent_set_memberEquality_alt,  universeIsType,  independent_pairFormation,  voidElimination,  isect_memberEquality_alt,  int_eqEquality,  dependent_pairFormation_alt,  independent_functionElimination,  approximateComputation,  unionElimination,  imageElimination,  productElimination,  independent_isectElimination,  rename,  setElimination,  because_Cache,  lambdaEquality_alt,  sqequalRule,  natural_numberEquality,  dependent_functionElimination,  hypothesis,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  introduction,  cut,  lambdaFormation_alt,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}k:\mBbbN{}.  \mforall{}K:\mBbbQ{}Cube(k)  List.    (0  <  ||K||  {}\mRightarrow{}  (\mforall{}c\mmember{}K.\muparrow{}Inhabited(c))  {}\mRightarrow{}  mcompact(|K|;rn-prod-metric(k)))



Date html generated: 2019_10_31-AM-06_03_59
Last ObjectModification: 2019_10_30-AM-11_45_41

Theory : real!vectors


Home Index