Nuprl Lemma : Memory-class-invariant-sv
∀[Info,B,A:Type].
  ∀P:B ─→ ℙ. ∀f:A ─→ B ─→ B. ∀init:Id ─→ bag(B). ∀X:EClass(A). ∀es:EO+(Info). ∀e:E. ∀v:B.
    (single-valued-classrel(es;X;A)
    ⇒ single-valued-bag(init loc(e);B)
    ⇒ (∀a:A. ∀e':E.  ((e' <loc e) ⇒ a ∈ X(e') ⇒ (∀s:B. (P[s] ⇒ P[f a s]))))
    ⇒ (∀v:B. (v ↓∈ init loc(e) ⇒ P[v]))
    ⇒ v ∈ Memory-class(f;init;X)(e)
    ⇒ P[v])
Proof
Definitions occuring in Statement : 
Memory-class: Memory-class(f;init;X), 
single-valued-classrel: single-valued-classrel(es;X;T), 
classrel: v ∈ X(e), 
eclass: EClass(A[eo; e]), 
event-ordering+: EO+(Info), 
es-locl: (e <loc e'), 
es-loc: loc(e), 
es-E: E, 
Id: Id, 
uall: ∀[x:A]. B[x], 
prop: ℙ, 
so_apply: x[s], 
all: ∀x:A. B[x], 
implies: P ⇒ Q, 
apply: f a, 
function: x:A ─→ B[x], 
universe: Type, 
single-valued-bag: single-valued-bag(b;T), 
bag-member: x ↓∈ bs, 
bag: bag(T)
Lemmas : 
Memory-classrel2, 
decidable__assert, 
es-first_wf2, 
sq_stable__bag-member, 
iterated-classrel-invariant, 
es-pred_wf, 
bag-member_wf, 
es-loc_wf, 
es-pred-locl, 
es-locl_transitivity1, 
prior-iterated-classrel_wf, 
classrel_wf, 
es-le_wf, 
sq_stable__single-valued-iterated-classrel, 
single-valued-bag_wf, 
squash_wf, 
true_wf, 
bag_wf, 
es-pred-loc-base, 
iff_weakening_equal, 
Memory-class_wf, 
all_wf, 
event-ordering+_subtype, 
es-E_wf, 
es-locl_wf, 
single-valued-classrel_wf, 
event-ordering+_wf, 
eclass_wf, 
Id_wf, 
es-loc-pred, 
and_wf, 
equal_wf
Latex:
\mforall{}[Info,B,A:Type].
    \mforall{}P:B  {}\mrightarrow{}  \mBbbP{}.  \mforall{}f:A  {}\mrightarrow{}  B  {}\mrightarrow{}  B.  \mforall{}init:Id  {}\mrightarrow{}  bag(B).  \mforall{}X:EClass(A).  \mforall{}es:EO+(Info).  \mforall{}e:E.  \mforall{}v:B.
        (single-valued-classrel(es;X;A)
        {}\mRightarrow{}  single-valued-bag(init  loc(e);B)
        {}\mRightarrow{}  (\mforall{}a:A.  \mforall{}e':E.    ((e'  <loc  e)  {}\mRightarrow{}  a  \mmember{}  X(e')  {}\mRightarrow{}  (\mforall{}s:B.  (P[s]  {}\mRightarrow{}  P[f  a  s]))))
        {}\mRightarrow{}  (\mforall{}v:B.  (v  \mdownarrow{}\mmember{}  init  loc(e)  {}\mRightarrow{}  P[v]))
        {}\mRightarrow{}  v  \mmember{}  Memory-class(f;init;X)(e)
        {}\mRightarrow{}  P[v])
 Date html generated: 
2015_07_22-PM-00_13_10
 Last ObjectModification: 
2015_07_16-AM-09_39_46
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