Nuprl Lemma : list_n_properties

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


Proof




Definitions occuring in Statement :  list_n: List(n) length: ||as|| uall: [x:A]. B[x] int: universe: Type equal: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T list_n: 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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