Nuprl Lemma : iota'_wf
∀[I:Cname List]. (iota'(I) ∈ name-morph(I;I+))
Proof
Definitions occuring in Statement : 
iota': iota'(I)
, 
name-morph: name-morph(I;J)
, 
add-fresh-cname: I+
, 
coordinate_name: Cname
, 
list: T List
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
add-fresh-cname: I+
, 
has-value: (a)↓
, 
prop: ℙ
, 
uimplies: b supposing a
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
iota': iota'(I)
, 
subtype_rel: A ⊆r B
Lemmas referenced : 
value-type-has-value, 
coordinate_name_wf, 
not_wf, 
l_member_wf, 
set-value-type, 
coordinate_name-value-type, 
fresh-cname_wf, 
iota_wf, 
list_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
callbyvalueReduce, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
setEquality, 
hypothesis, 
hypothesisEquality, 
independent_isectElimination, 
lambdaEquality, 
applyEquality, 
setElimination, 
rename, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[I:Cname  List].  (iota'(I)  \mmember{}  name-morph(I;I+))
Date html generated:
2016_05_20-AM-09_31_36
Last ObjectModification:
2015_12_28-PM-04_45_55
Theory : cubical!sets
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