Nuprl Lemma : rpolynomial_wf

∀[n:ℕ]. ∀[a:ℕn + 1 ⟶ ℝ]. ∀[x:ℝ].  ((Σi≤n. a_i * x^i) ∈ ℝ)


Proof




Definitions occuring in Statement :  rpolynomial: (Σi≤n. a_i * x^i),  real: ℝ,  int_seg: {i..j-},  nat: ℕ,  uall: ∀[x:A]. B[x],  member: t ∈ T,  function: x:A ⟶ B[x],  add: n + m,  natural_number: $n
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  rpolynomial: (Σi≤n. a_i * x^i),  nat: ℕ,  so_lambda: λ2x.t[x],  subtype_rel: A ⊆r B,  uimplies: b supposing a,  le: A ≤ B,  and: P ∧ Q,  less_than': less_than'(a;b),  false: False,  not: ¬A,  implies: P ⇒ Q,  prop: ℙ,  so_apply: x[s]
Lemmas referenced :  rsum_wf,  rmul_wf,  rnexp_wf,  int_seg_subtype_nat,  false_wf,  int_seg_wf,  real_wf,  nat_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  natural_numberEquality,  setElimination,  rename,  hypothesisEquality,  lambdaEquality,  applyEquality,  addEquality,  independent_isectElimination,  independent_pairFormation,  lambdaFormation,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache,  functionEquality

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[a:\mBbbN{}n  +  1  {}\mrightarrow{}  \mBbbR{}].  \mforall{}[x:\mBbbR{}].    ((\mSigma{}i\mleq{}n.  a\_i  *  x\^{}i)  \mmember{}  \mBbbR{})



Date html generated: 2016_05_18-AM-07_44_08
Last ObjectModification: 2015_12_28-AM-01_00_19

Theory : reals


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