Nuprl Lemma : series-converges-rmul-ext

∀c:ℝ. ∀x:ℕ ⟶ ℝ.  (Σn.x[n]↓ ⇒ Σn.x[n] * c↓)


Proof




Definitions occuring in Statement :  series-converges: Σn.x[n]↓,  rmul: a * b,  real: ℝ,  nat: ℕ,  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  function: x:A ⟶ B[x]
Definitions unfolded in proof :  integer-bound,  series-sum-linear3,  series-converges-rmul,  rabs: |x|,  member: t ∈ T
Lemmas referenced :  series-converges-rmul,  integer-bound,  series-sum-linear3
Rules used in proof :  equalitySymmetry,  equalityTransitivity,  sqequalHypSubstitution,  thin,  sqequalRule,  hypothesis,  extract_by_obid,  instantiate,  cut,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution,  introduction

Latex:
\mforall{}c:\mBbbR{}.  \mforall{}x:\mBbbN{}  {}\mrightarrow{}  \mBbbR{}.    (\mSigma{}n.x[n]\mdownarrow{}  {}\mRightarrow{}  \mSigma{}n.x[n]  *  c\mdownarrow{})



Date html generated: 2018_05_22-PM-02_02_19
Last ObjectModification: 2018_05_21-AM-00_15_29

Theory : reals


Home Index