Nuprl Lemma : logseq-converges-ext

∀a:{a:ℝ| r0 < a} . ∀b:{b:ℝ| |b - rlog(a)| ≤ (r1/r(10))} .  lim n→∞.logseq(a;b;n) = rlog(a)


Proof




Definitions occuring in Statement :  logseq: logseq(a;b;n),  rlog: rlog(x),  converges-to: lim n→∞.x[n] = y,  rdiv: (x/y),  rleq: x ≤ y,  rless: x < y,  rabs: |x|,  rsub: x - y,  int-to-real: r(n),  real: ℝ,  all: ∀x:A. B[x],  set: {x:A| B[x]} ,  natural_number: $n
Definitions unfolded in proof :  member: t ∈ T,  logseq-converges
Lemmas referenced :  logseq-converges
Rules used in proof :  introduction,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  cut,  instantiate,  extract_by_obid,  hypothesis,  sqequalRule,  thin,  sqequalHypSubstitution,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}a:\{a:\mBbbR{}|  r0  <  a\}  .  \mforall{}b:\{b:\mBbbR{}|  |b  -  rlog(a)|  \mleq{}  (r1/r(10))\}  .    lim  n\mrightarrow{}\minfty{}.logseq(a;b;n)  =  rlog(a)



Date html generated: 2016_10_26-PM-00_37_29
Last ObjectModification: 2016_09_18-PM-10_07_31

Theory : reals_2


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