Nuprl Lemma : class-opt-opt
[Info,T:Type]. [X:EClass(T)]. [b:Id 
bag(T)]. (X?b = X?b?b)
Proof not projected
Definitions occuring in Statement :
class-opt: X?b,
eclass: EClass(A[eo; e]),
Id: Id,
uall: [x:A]. B[x],
function: x:A B[x],
universe: Type,
equal: s = t,
bag: bag(T)
Definitions :
eclass: EClass(A[eo; e]),
class-opt: X?b,
member: t 
T,
prop: 
,
so_lambda: 
x y.t[x; y],
ifthenelse: if b then t else f fi ,
all: x:A. B[x],
implies: P 
Q,
btrue: tt,
bfalse: ff,
guard: {T},
uall: [x:A]. B[x],
not: 
A,
false: False,
so_apply: x[s1;s2],
bool: 
,
unit: Unit,
uimplies: b supposing a,
uiff: uiff(P;Q),
and: P 
Q,
subtype: S 
T,
it: 
Lemmas :
es-E_wf,
event-ordering+_inc,
bag-null_wf,
bool_wf,
assert_wf,
bag_wf,
empty-bag_wf,
es-loc_wf,
bnot_wf,
not_wf,
Id_wf,
eclass_wf,
event-ordering+_wf,
uiff_transitivity,
eqtt_to_assert,
assert-bag-null,
eqff_to_assert,
assert_of_bnot,
not_functionality_wrt_uiff
\mforall{}[Info,T:Type]. \mforall{}[X:EClass(T)]. \mforall{}[b:Id {}\mrightarrow{} bag(T)]. (X?b = X?b?b)
Date html generated:
2011_10_20-PM-03_23_21
Last ObjectModification:
2011_09_30-PM-01_33_48
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