Nuprl Lemma : ratio-dist_wf

∀[a,p:ℕ]. ∀[b,q:ℕ+]. ∀[m:ℕ].  (|a/b - p/q| < 1/m ∈ ℙ)


Proof




Definitions occuring in Statement :  ratio-dist: |a/b - p/q| < 1/m,  nat_plus: ℕ+,  nat: ℕ,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  ratio-dist: |a/b - p/q| < 1/m,  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  nat_plus: ℕ+,  subtype_rel: A ⊆r B
Lemmas referenced :  less_than_wf,  absval_wf,  subtract_wf,  nat_wf,  nat_plus_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  multiplyEquality,  setElimination,  rename,  hypothesisEquality,  hypothesis,  applyEquality,  lambdaEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache

Latex:
\mforall{}[a,p:\mBbbN{}].  \mforall{}[b,q:\mBbbN{}\msupplus{}].  \mforall{}[m:\mBbbN{}].    (|a/b  -  p/q|  <  1/m  \mmember{}  \mBbbP{})



Date html generated: 2016_05_15-PM-04_43_20
Last ObjectModification: 2015_12_27-PM-02_39_30

Theory : general


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