Nuprl Lemma : es-prior-interface-vals-property
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[A:Type]. ∀[X:EClass(A)]. ∀[e:E].
  (X(<e) = if e ∈b prior(X) then X(<prior(X)(e)) @ [X(prior(X)(e))] else [] fi  ∈ (A List))
Proof
Definitions occuring in Statement : 
es-prior-interface: prior(X)
, 
es-prior-interface-vals: X(<e)
, 
eclass-val: X(e)
, 
in-eclass: e ∈b X
, 
eclass: EClass(A[eo; e])
, 
event-ordering+: EO+(Info)
, 
es-E: E
, 
append: as @ bs
, 
cons: [a / b]
, 
nil: []
, 
list: T List
, 
ifthenelse: if b then t else f fi 
, 
uall: ∀[x:A]. B[x]
, 
universe: Type
, 
equal: s = t ∈ T
Lemmas : 
es-E_wf, 
event-ordering+_subtype, 
eclass_wf, 
event-ordering+_wf, 
es-causl-swellfnd, 
nat_properties, 
less_than_transitivity1, 
less_than_irreflexivity, 
ge_wf, 
less_than_wf, 
int_seg_wf, 
int_seg_subtype-nat, 
decidable__le, 
subtract_wf, 
false_wf, 
not-ge-2, 
less-iff-le, 
condition-implies-le, 
minus-one-mul, 
zero-add, 
minus-add, 
minus-minus, 
add-associates, 
add-swap, 
add-commutes, 
add_functionality_wrt_le, 
add-zero, 
le-add-cancel, 
decidable__equal_int, 
subtype_rel-int_seg, 
le_weakening, 
int_seg_properties, 
le_wf, 
nat_wf, 
zero-le-nat, 
lelt_wf, 
es-causl_wf, 
equal_wf, 
decidable__lt, 
not-equal-2, 
le-add-cancel-alt, 
not-le-2, 
sq_stable__le, 
add-mul-special, 
zero-mul, 
in-eclass_wf, 
es-prior-interface_wf1, 
es-interface-subtype_rel2, 
top_wf, 
subtype_top, 
es-E-interface_wf, 
bool_wf, 
equal-wf-T-base, 
assert_wf, 
bnot_wf, 
not_wf, 
eqtt_to_assert, 
uiff_transitivity, 
eqff_to_assert, 
assert_of_bnot, 
es-first_wf2, 
es-is-prior-interface, 
es-locl-first, 
assert_elim, 
btrue_neq_bfalse, 
mapfilter-append, 
filter_cons_lemma, 
filter_nil_lemma, 
es-pred_wf, 
es-prior-interface-val-pred, 
iff_weakening_equal, 
append_wf, 
squash_wf, 
true_wf, 
list_wf, 
es-prior-interface-vals_wf, 
map_cons_lemma, 
map_nil_lemma, 
cons_wf, 
eclass-val_wf, 
event-ordering+_cumulative2, 
assert_functionality_wrt_uiff, 
nil_wf, 
append-nil, 
subtype_rel_list, 
es-pred-locl, 
es-causl_weakening, 
es-prior-interface_wf0, 
es-E-interface-property, 
eclass-val_wf2, 
es-prior-interface_wf, 
es-is-prior-interface-pred, 
filter_is_nil, 
es-before_wf, 
l_all_iff, 
l_member_wf, 
es-locl_wf, 
member-es-before
Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[A:Type].  \mforall{}[X:EClass(A)].  \mforall{}[e:E].
    (X(<e)  =  if  e  \mmember{}\msubb{}  prior(X)  then  X(<prior(X)(e))  @  [X(prior(X)(e))]  else  []  fi  )
Date html generated:
2015_07_21-PM-03_16_42
Last ObjectModification:
2015_02_04-PM-06_21_49
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