Nuprl Lemma : tuple-type_wf

∀[L:Type List]. (tuple-type(L) ∈ Type)


Proof




Definitions occuring in Statement :  tuple-type: tuple-type(L),  list: T List,  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  tuple-type: tuple-type(L),  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3]
Lemmas referenced :  list_ind_wf,  unit_wf2,  ifthenelse_wf,  null_wf,  list_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  thin,  instantiate,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  universeEquality,  hypothesis,  lambdaEquality,  hypothesisEquality,  productEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}[L:Type  List].  (tuple-type(L)  \mmember{}  Type)



Date html generated: 2016_05_14-PM-03_57_20
Last ObjectModification: 2015_12_26-PM-07_22_18

Theory : tuples


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