{ 
[Info:Type]
es:EO+(Info). X:EClass(Top). e:E.
(
e 
prior(X)
(
first(e)) 
((pred(e) X) 
(pred(e) prior(X)))) }
{ Proof }
Definitions occuring in Statement :
es-prior-interface: prior(X),
in-eclass: e X,
eclass: EClass(A[eo; e]),
event-ordering+: EO+(Info),
es-pred: pred(e),
es-first: first(e),
es-E: E,
assert: b,
uall: [x:A]. B[x],
top: Top,
all: x:A. B[x],
iff: P Q,
not: A,
or: P Q,
and: P Q,
universe: Type
Definitions :
uall: [x:A]. B[x],
all: x:A. B[x],
member: t T,
so_lambda: 
x y.t[x; y],
top: Top,
iff: P Q,
and: P Q,
implies: P Q,
rev_implies: P Q,
cand: A c B,
prop: 
,
exists: 
x:A. B[x],
or: P Q,
guard: {T},
not: A,
false: False,
decidable: Dec(P),
so_apply: x[s1;s2],
uimplies: b supposing a,
subtype: S 
T
Lemmas :
decidable__assert,
es-first_wf,
es-E_wf,
event-ordering+_inc,
eclass_wf,
top_wf,
event-ordering+_wf,
assert_wf,
in-eclass_wf,
es-prior-interface_wf,
es-interface-subtype_rel2,
es-E-interface_wf,
not_wf,
es-is-prior-interface,
btrue_neq_bfalse,
assert_elim,
es-locl-first,
es-locl_wf,
es-pred_wf,
iff_functionality_wrt_iff,
and_functionality_wrt_iff,
or_functionality_wrt_iff,
assert_witness,
es-locl-iff,
not_assert_elim,
es-pred-locl,
es-locl_transitivity2,
es-le_weakening
\mforall{}[Info:Type]
\mforall{}es:EO+(Info). \mforall{}X:EClass(Top). \mforall{}e:E.
(\muparrow{}e \mmember{}\msubb{} prior(X) \mLeftarrow{}{}\mRightarrow{} (\mneg{}\muparrow{}first(e)) \mwedge{} ((\muparrow{}pred(e) \mmember{}\msubb{} X) \mvee{} (\muparrow{}pred(e) \mmember{}\msubb{} prior(X))))
Date html generated:
2011_08_16-PM-04_46_21
Last ObjectModification:
2011_06_20-AM-01_04_23
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