Nuprl Lemma : list_n_properties

∀[A:Type]. ∀[n:ℤ]. ∀[as:A List(n)].  (||as|| = n ∈ ℤ)


Proof




Definitions occuring in Statement :  list_n: A List(n),  length: ||as||,  uall: ∀[x:A]. B[x],  int: ℤ,  universe: Type,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  list_n: A List(n)
Lemmas referenced :  list_n_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalHypSubstitution,  setElimination,  thin,  rename,  hypothesis,  lemma_by_obid,  isectElimination,  hypothesisEquality,  sqequalRule,  isect_memberEquality,  axiomEquality,  because_Cache,  intEquality,  universeEquality

Latex:
\mforall{}[A:Type].  \mforall{}[n:\mBbbZ{}].  \mforall{}[as:A  List(n)].    (||as||  =  n)



Date html generated: 2016_05_14-AM-07_40_25
Last ObjectModification: 2015_12_26-PM-02_51_03

Theory : list_1


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