{ 
[Info:Type]. [es:EO+(Info)]. [X:EClass(Top)]. [e:E(X)]. (
null(X(
e))) }
{ Proof }
Definitions occuring in Statement :
es-interface-prior-vals: X(e),
es-E-interface: E(X),
eclass: EClass(A[eo; e]),
event-ordering+: EO+(Info),
null: null(as),
assert: b,
uall: [x:A]. B[x],
top: Top,
not: A,
universe: Type
Definitions :
uall: [x:A]. B[x],
not: A,
assert: b,
null: null(as),
es-interface-prior-vals: X(e),
member: t 
T,
implies: P 
Q,
false: False,
ycomb: Y,
append: as @ bs,
ifthenelse: if b then t else f fi ,
prop: 
,
so_lambda: 
x y.t[x; y],
bfalse: ff,
all: x:A. B[x],
btrue: tt,
true: True,
es-E-interface: E(X),
so_apply: x[s1;s2],
bool: 
,
unit: Unit,
iff: P 
Q,
and: P 
Q,
sq_type: SQType(T),
uimplies: b supposing a,
guard: {T},
subtype: S 
T,
it: 
Lemmas :
assert_wf,
null_wf3,
es-interface-prior-vals_wf,
top_wf,
es-E-interface_wf,
eclass_wf,
es-E_wf,
event-ordering+_inc,
event-ordering+_wf,
in-eclass_wf,
bool_wf,
not_wf,
bnot_wf,
iff_weakening_uiff,
eqtt_to_assert,
uiff_transitivity,
eqff_to_assert,
assert_of_bnot,
false_wf,
subtype_base_sq,
bool_subtype_base,
assert_elim
\mforall{}[Info:Type]. \mforall{}[es:EO+(Info)]. \mforall{}[X:EClass(Top)]. \mforall{}[e:E(X)]. (\mneg{}\muparrow{}null(X(\mleq{}e)))
Date html generated:
2011_08_16-PM-04_34_22
Last ObjectModification:
2011_06_20-AM-00_57_55
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