Nuprl Lemma : treeco_wf

∀[E:Type]. (treeco(E) ∈ Type)


Proof




Definitions occuring in Statement :  treeco: treeco(E),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  treeco: treeco(E),  so_lambda: λ2x.t[x],  so_apply: x[s]
Lemmas referenced :  corec_wf,  ifthenelse_wf,  eq_atom_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  lambdaEquality,  productEquality,  atomEquality,  instantiate,  hypothesisEquality,  tokenEquality,  hypothesis,  universeEquality,  voidEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry

Latex:
\mforall{}[E:Type].  (treeco(E)  \mmember{}  Type)



Date html generated: 2016_05_15-PM-01_49_20
Last ObjectModification: 2015_12_27-AM-00_12_38

Theory : tree_1


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