Nuprl Lemma : member-i-type

∀[I:Interval]. ∀[r:ℝ]. ∀[p:r ∈ I].  (<i-witness(I;r;p), r> ∈ i-type(I))


Proof




Definitions occuring in Statement :  i-type: i-type(I),  i-witness: i-witness(I;r;p),  i-member: r ∈ I,  interval: Interval,  real: ℝ,  uall: ∀[x:A]. B[x],  member: t ∈ T,  pair: <a, b>
Definitions unfolded in proof :  i-type: i-type(I),  uall: ∀[x:A]. B[x],  member: t ∈ T,  all: ∀x:A. B[x],  prop: ℙ
Lemmas referenced :  i-witness_wf,  i-witness-property,  i-member_wf,  i-approx_wf,  real_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  dependent_pairEquality,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  dependent_functionElimination,  because_Cache,  dependent_set_memberEquality,  setEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality

Latex:
\mforall{}[I:Interval].  \mforall{}[r:\mBbbR{}].  \mforall{}[p:r  \mmember{}  I].    (<i-witness(I;r;p),  r>  \mmember{}  i-type(I))



Date html generated: 2016_05_18-AM-08_49_03
Last ObjectModification: 2015_12_27-PM-11_44_20

Theory : reals


Home Index