Nuprl Lemma : bar-delay_wf

∀[T:Type]. ∀[x:bar-base(T)].  (bar-delay(x) ∈ bar-base(T))


Proof




Definitions occuring in Statement :  bar-delay: bar-delay(b),  bar-base: bar-base(T),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  bar-delay: bar-delay(b),  subtype_rel: A ⊆r B
Lemmas referenced :  bar-base_subtype,  bar-base_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  inrEquality,  hypothesisEquality,  applyEquality,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[x:bar-base(T)].    (bar-delay(x)  \mmember{}  bar-base(T))



Date html generated: 2016_05_14-AM-06_20_05
Last ObjectModification: 2015_12_26-PM-00_01_31

Theory : co-recursion


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