Nuprl Lemma : Memory-classrel-single-val
∀[Info,B,A:Type].
  ∀f:A ⟶ B ⟶ B. ∀init:Id ⟶ bag(B). ∀X:EClass(A). ∀es:EO+(Info). ∀e:E. ∀v:B.
    (uiff(v ∈ Memory-class(f;init;X)(e);prior-iterated-classrel(es;A;B;v;X;f;init;e))) supposing 
       (single-valued-classrel(es;X;A) and 
       single-valued-bag(init loc(e);B))
Proof
Definitions occuring in Statement : 
Memory-class: Memory-class(f;init;X), 
prior-iterated-classrel: prior-iterated-classrel(es;A;S;s;X;f;init;e), 
single-valued-classrel: single-valued-classrel(es;X;T), 
classrel: v ∈ X(e), 
eclass: EClass(A[eo; e]), 
event-ordering+: EO+(Info), 
es-loc: loc(e), 
es-E: E, 
Id: Id, 
uiff: uiff(P;Q), 
uimplies: b supposing a, 
uall: ∀[x:A]. B[x], 
all: ∀x:A. B[x], 
apply: f a, 
function: x:A ⟶ B[x], 
universe: Type, 
single-valued-bag: single-valued-bag(b;T), 
bag: bag(T)
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
all: ∀x:A. B[x], 
uimplies: b supposing a, 
member: t ∈ T, 
single-valued-bag: single-valued-bag(b;T), 
implies: P ⇒ Q, 
subtype_rel: A ⊆r B, 
prop: ℙ, 
single-valued-classrel: single-valued-classrel(es;X;T), 
uiff: uiff(P;Q), 
and: P ∧ Q, 
classrel: v ∈ X(e), 
bag-member: x ↓∈ bs, 
squash: ↓T, 
iff: P ⇐⇒ Q, 
sq_stable: SqStable(P), 
rev_implies: P ⇐ Q, 
so_lambda: λ2x y.t[x; y], 
so_apply: x[s1;s2]
Latex:
\mforall{}[Info,B,A:Type].
    \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.
        (uiff(v  \mmember{}  Memory-class(f;init;X)(e);prior-iterated-classrel(es;A;B;v;X;f;init;e)))  supposing 
              (single-valued-classrel(es;X;A)  and 
              single-valued-bag(init  loc(e);B))
Date html generated:
2016_05_17-AM-09_23_07
Last ObjectModification:
2016_01_17-PM-11_11_09
Theory : classrel!lemmas
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