Nuprl Lemma : nameset-value-type
∀[L:Cname List]. value-type(nameset(L))
Proof
Definitions occuring in Statement : 
nameset: nameset(L)
, 
coordinate_name: Cname
, 
list: T List
, 
value-type: value-type(T)
, 
uall: ∀[x:A]. B[x]
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
nameset: nameset(L)
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
uimplies: b supposing a
, 
value-type: value-type(T)
, 
has-value: (a)↓
, 
prop: ℙ
Lemmas referenced : 
set-value-type, 
coordinate_name_wf, 
l_member_wf, 
coordinate_name-value-type, 
equal-wf-base, 
nameset_wf, 
base_wf, 
list_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesis, 
lambdaEquality, 
hypothesisEquality, 
independent_isectElimination, 
isect_memberEquality, 
axiomSqleEquality, 
because_Cache, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[L:Cname  List].  value-type(nameset(L))
Date html generated:
2016_05_20-AM-09_28_12
Last ObjectModification:
2015_12_28-PM-04_48_25
Theory : cubical!sets
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