Nuprl Lemma : cut-of-closed
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(Top)]. ∀[f:sys-antecedent(es;X)]. ∀[s:fset(E(X))]. ∀[e:E(X)].
  f e ∈ cut(X;f;s) ∧ prior(X)(e) ∈ cut(X;f;s) supposing ↑e ∈b prior(X) ∧ e ∈ cut(X;f;s) supposing e ∈ s
Proof
Definitions occuring in Statement : 
cut-of: cut(X;f;s)
, 
es-prior-interface: prior(X)
, 
sys-antecedent: sys-antecedent(es;Sys)
, 
es-E-interface: E(X)
, 
eclass-val: X(e)
, 
in-eclass: e ∈b X
, 
eclass: EClass(A[eo; e])
, 
event-ordering+: EO+(Info)
, 
es-eq: es-eq(es)
, 
fset-member: a ∈ s
, 
fset: fset(T)
, 
assert: ↑b
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
and: P ∧ Q
, 
apply: f a
, 
universe: Type
Lemmas : 
cut-of-property, 
fset_wf, 
es-E-interface_wf, 
sys-antecedent_wf, 
eclass_wf, 
top_wf, 
es-E_wf, 
event-ordering+_subtype, 
event-ordering+_wf, 
cut-of_wf, 
es-cut_wf, 
f-subset_wf, 
es-eq_wf-interface, 
all_wf, 
fset-member_wf, 
assert_wf, 
in-eclass_wf, 
es-prior-interface_wf0, 
es-interface-subtype_rel2, 
subtype_top, 
eclass-val_wf2, 
es-prior-interface_wf, 
isect_wf, 
squash_wf, 
fset-member_witness, 
sq_stable__all, 
sq_stable__and, 
sq_stable_from_decidable, 
decidable__fset-member, 
sq_stable__uall, 
and_wf, 
equal_wf, 
fset-member_wf-cut, 
l_all_iff, 
cons_wf, 
es-interface-pred_wf, 
nil_wf, 
l_member_wf, 
cons_member, 
bool_wf, 
equal-wf-T-base, 
bnot_wf, 
not_wf, 
eqtt_to_assert, 
uiff_transitivity, 
eqff_to_assert, 
assert_of_bnot
Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].  \mforall{}[f:sys-antecedent(es;X)].  \mforall{}[s:fset(E(X))].
\mforall{}[e:E(X)].
    f  e  \mmember{}  cut(X;f;s)  \mwedge{}  prior(X)(e)  \mmember{}  cut(X;f;s)  supposing  \muparrow{}e  \mmember{}\msubb{}  prior(X)  \mwedge{}  e  \mmember{}  cut(X;f;s) 
    supposing  e  \mmember{}  s
Date html generated:
2015_07_21-PM-03_58_13
Last ObjectModification:
2015_01_27-PM-05_54_17
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