Nuprl Lemma : member_rcoint_lemma

∀r,u,l:Top.  (r ∈ [l, u) ~ (l ≤ r) ∧ (r < u))


Proof




Definitions occuring in Statement :  rcoint: [l, u),  i-member: r ∈ I,  rleq: x ≤ y,  rless: x < y,  top: Top,  all: ∀x:A. B[x],  and: P ∧ Q,  sqequal: s ~ t
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  rcoint: [l, u),  i-member: r ∈ I
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  hypothesis,  lemma_by_obid,  sqequalRule

Latex:
\mforall{}r,u,l:Top.    (r  \mmember{}  [l,  u)  \msim{}  (l  \mleq{}  r)  \mwedge{}  (r  <  u))



Date html generated: 2016_05_18-AM-08_20_30
Last ObjectModification: 2015_12_27-PM-11_55_35

Theory : reals


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