Nuprl Lemma : null-class_wf
∀[Info,T:Type].  (Null ∈ EClass(T))
Proof
Definitions occuring in Statement : 
null-class: Null
, 
eclass: EClass(A[eo; e])
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
null-class: Null
, 
eclass: EClass(A[eo; e])
, 
subtype_rel: A ⊆r B
Latex:
\mforall{}[Info,T:Type].    (Null  \mmember{}  EClass(T))
Date html generated:
2016_05_17-AM-00_23_11
Last ObjectModification:
2015_12_29-AM-00_46_39
Theory : event-ordering
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