Nuprl Lemma : es-decl-set-join_wf
∀[dd1,dd2:DeclSet].  (es-decl-set-join(dd1;dd2) ∈ DeclSet)
Proof
Definitions occuring in Statement : 
es-decl-set-join: es-decl-set-join(dd1;dd2)
, 
es-decl-set: DeclSet
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Lemmas : 
member-remove-repeats, 
member_append, 
deq-member_wf, 
bool_wf, 
eqtt_to_assert, 
assert-deq-member, 
null_wf3, 
fpf-domain_wf, 
Knd_wf, 
assert_wf, 
hasloc_wf, 
l_member_wf, 
subtype-fpf2, 
top_wf, 
subtype_top, 
set_wf, 
subtype_rel_list, 
assert_of_null, 
eqff_to_assert, 
equal_wf, 
bool_cases_sqequal, 
subtype_base_sq, 
bool_subtype_base, 
assert-bnot, 
equal-wf-T-base, 
list_wf, 
fpf-join_wf, 
Id_wf, 
or_wf, 
Kind-deq_wf, 
subtype_rel-deq, 
assert_elim, 
fpf_wf, 
es-decl-set_wf
\mforall{}[dd1,dd2:DeclSet].    (es-decl-set-join(dd1;dd2)  \mmember{}  DeclSet)
Date html generated:
2015_07_17-AM-11_56_55
Last ObjectModification:
2015_01_28-AM-00_40_04
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