Nuprl Lemma : set-sig_wf
∀[Item:Type]. (set-sig{i:l}(Item) ∈ 𝕌')
Proof
Definitions occuring in Statement : 
set-sig: set-sig{i:l}(Item)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
Lemmas : 
record_wf, 
top_wf, 
valueall-type_wf, 
subtype_rel_self, 
subtype_rel_set, 
bool_wf, 
all_wf, 
not_wf, 
assert_wf, 
iff_wf, 
equal_wf, 
or_wf, 
record+_wf
\mforall{}[Item:Type].  (set-sig\{i:l\}(Item)  \mmember{}  \mBbbU{}')
Date html generated:
2015_07_17-AM-08_21_03
Last ObjectModification:
2015_04_02-PM-05_42_46
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