Nuprl Lemma : real-regular

∀[x:ℝ]. ∀[k:ℕ+].  k-regular-seq(x)


Proof




Definitions occuring in Statement :  real: ℝ,  regular-int-seq: k-regular-seq(f),  nat_plus: ℕ+,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat_plus: ℕ+,  real: ℝ,  uimplies: b supposing a,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  top: Top,  and: P ∧ Q,  prop: ℙ,  regular-int-seq: k-regular-seq(f),  le: A ≤ B,  subtype_rel: A ⊆r B,  nat: ℕ,  less_than: a < b,  squash: ↓T,  less_than': less_than'(a;b),  true: True,  sq_stable: SqStable(P)
Lemmas referenced :  regular-int-seq-weakening,  nat_plus_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  less_than'_wf,  absval_wf,  subtract_wf,  nat_wf,  nat_plus_wf,  real_wf,  sq_stable__regular-int-seq,  less_than_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  natural_numberEquality,  setElimination,  rename,  hypothesisEquality,  hypothesis,  independent_isectElimination,  dependent_functionElimination,  unionElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation,  lambdaEquality,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  sqequalRule,  independent_pairFormation,  productElimination,  independent_pairEquality,  because_Cache,  multiplyEquality,  addEquality,  applyEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  dependent_set_memberEquality,  imageMemberEquality,  baseClosed,  imageElimination

Latex:
\mforall{}[x:\mBbbR{}].  \mforall{}[k:\mBbbN{}\msupplus{}].    k-regular-seq(x)



Date html generated: 2017_10_02-PM-07_13_11
Last ObjectModification: 2017_07_05-PM-03_42_23

Theory : reals


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