Nuprl Lemma : member-rat-cube-complex-inhabited

∀[k:ℕ]. ∀[c:ℚCube(k)].  ↑Inhabited(c) supposing ∃n:ℕ. ∃K:n-dim-complex. (c ∈ K)


Proof




Definitions occuring in Statement :  rational-cube-complex: n-dim-complex,  inhabited-rat-cube: Inhabited(c),  rational-cube: ℚCube(k),  l_member: (x ∈ l),  nat: ℕ,  assert: ↑b,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  exists: ∃x:A. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  exists: ∃x:A. B[x],  rational-cube-complex: n-dim-complex,  sq_stable: SqStable(P),  implies: P ⇒ Q,  and: P ∧ Q,  all: ∀x:A. B[x],  so_lambda: λ2x.t[x],  subtype_rel: A ⊆r B,  int_seg: {i..j-},  nat: ℕ,  so_apply: x[s],  prop: ℙ,  iff: P ⇐⇒ Q,  squash: ↓T,  true: True,  guard: {T},  rev_implies: P ⇐ Q,  rat-cube-dimension: dim(c),  or: P ∨ Q,  sq_type: SQType(T),  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  btrue: tt,  bfalse: ff,  ge: i ≥ j ,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  false: False,  top: Top
Lemmas referenced :  sq_stable__assert,  inhabited-rat-cube_wf,  l_all_iff,  equal-wf-base,  rat-cube-dimension_wf,  set_subtype_base,  lelt_wf,  istype-int,  int_subtype_base,  le_wf,  l_member_wf,  rational-cube_wf,  equal_wf,  squash_wf,  true_wf,  istype-universe,  subtype_rel_self,  iff_weakening_equal,  bool_cases,  subtype_base_sq,  bool_wf,  bool_subtype_base,  eqtt_to_assert,  eqff_to_assert,  assert_of_bnot,  nat_properties,  full-omega-unsat,  intformand_wf,  intformeq_wf,  itermConstant_wf,  itermVar_wf,  intformle_wf,  int_formula_prop_and_lemma,  istype-void,  int_formula_prop_eq_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_le_lemma,  int_formula_prop_wf,  assert_witness,  rational-cube-complex_wf,  istype-nat
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  introduction,  cut,  sqequalHypSubstitution,  productElimination,  thin,  setElimination,  rename,  extract_by_obid,  isectElimination,  hypothesisEquality,  hypothesis,  independent_functionElimination,  because_Cache,  dependent_functionElimination,  sqequalRule,  lambdaEquality_alt,  intEquality,  applyEquality,  minusEquality,  natural_numberEquality,  addEquality,  independent_isectElimination,  setIsType,  inhabitedIsType,  universeIsType,  imageElimination,  equalityTransitivity,  equalitySymmetry,  instantiate,  universeEquality,  imageMemberEquality,  baseClosed,  unionElimination,  cumulativity,  approximateComputation,  dependent_pairFormation_alt,  int_eqEquality,  isect_memberEquality_alt,  voidElimination,  independent_pairFormation,  productIsType,  isectIsTypeImplies

Latex:
\mforall{}[k:\mBbbN{}].  \mforall{}[c:\mBbbQ{}Cube(k)].    \muparrow{}Inhabited(c)  supposing  \mexists{}n:\mBbbN{}.  \mexists{}K:n-dim-complex.  (c  \mmember{}  K)



Date html generated: 2020_05_20-AM-09_21_39
Last ObjectModification: 2019_11_14-PM-02_46_39

Theory : rationals


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