Nuprl Lemma : l_all-mapfilter-interface-predecessors
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[A:Type]. ∀[X:EClass(A)]. ∀[Q:E(X) ─→ 𝔹]. ∀[P:A ─→ 𝔹]. ∀[e:E(X)].
  uiff((∀v∈mapfilter(λe.X(e);λe'.Q[e'];≤(X)(e)).↑P[v]);∀e'≤e.(↑e' ∈b X) 
⇒ (↑Q[e']) 
⇒ (↑P[X(e')]))
Proof
Definitions occuring in Statement : 
es-interface-predecessors: ≤(X)(e)
, 
es-E-interface: E(X)
, 
eclass-val: X(e)
, 
in-eclass: e ∈b X
, 
eclass: EClass(A[eo; e])
, 
event-ordering+: EO+(Info)
, 
alle-le: ∀e≤e'.P[e]
, 
mapfilter: mapfilter(f;P;L)
, 
l_all: (∀x∈L.P[x])
, 
assert: ↑b
, 
bool: 𝔹
, 
uiff: uiff(P;Q)
, 
uall: ∀[x:A]. B[x]
, 
so_apply: x[s]
, 
implies: P 
⇒ Q
, 
lambda: λx.A[x]
, 
function: x:A ─→ B[x]
, 
universe: Type
Lemmas : 
bool_wf, 
es-E-interface_wf, 
es-interface-subtype_rel2, 
es-E_wf, 
event-ordering+_subtype, 
top_wf, 
eclass_wf, 
event-ordering+_wf, 
assert_witness, 
eclass-val_wf, 
assert_wf, 
in-eclass_wf, 
es-le_wf, 
l_all_wf2, 
mapfilter_wf, 
Id_wf, 
es-loc_wf, 
es-interface-predecessors_wf, 
set_wf, 
sq_stable__assert, 
l_member_wf, 
select_wf, 
sq_stable__le, 
int_seg_wf, 
length_wf, 
alle-le_wf, 
l_all_iff, 
member-mapfilter, 
es-le-loc, 
member-interface-predecessors-subtype, 
assert_functionality_wrt_uiff
Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[A:Type].  \mforall{}[X:EClass(A)].  \mforall{}[Q:E(X)  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[P:A  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[e:E(X)].
    uiff((\mforall{}v\mmember{}mapfilter(\mlambda{}e.X(e);\mlambda{}e'.Q[e'];\mleq{}(X)(e)).\muparrow{}P[v]);\mforall{}e'\mleq{}e.(\muparrow{}e'  \mmember{}\msubb{}  X)  {}\mRightarrow{}  (\muparrow{}Q[e'])  {}\mRightarrow{}  (\muparrow{}P[X(e')]))
Date html generated:
2015_07_21-PM-03_39_55
Last ObjectModification:
2015_01_27-PM-06_31_47
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