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
Home
Index