Nuprl Lemma : lele_wf

∀[x,y,z:ℤ].  (x ≤ y ≤ z ∈ ℙ)


Proof




Definitions occuring in Statement :  lele: i ≤ j ≤ k,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T,  int: ℤ
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  lele: i ≤ j ≤ k
Lemmas referenced :  and_wf,  le_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  sqequalRule,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  intEquality,  isect_memberEquality,  because_Cache

Latex:
\mforall{}[x,y,z:\mBbbZ{}].    (x  \mleq{}  y  \mleq{}  z  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-04_01_52
Last ObjectModification: 2015_12_26-AM-10_56_55

Theory : int_1


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