Nuprl Lemma : iterated_classrel-single-val
∀[Info,A,S:Type]. ∀[init:Id ⟶ bag(S)]. ∀[f:A ⟶ S ⟶ S]. ∀[X:EClass(A)].
  ∀es:EO+(Info)
    (single-valued-classrel(es;X;A)
    
⇒ (∀e:E
          (single-valued-bag(init loc(e);S)
          
⇒ (∀v1,v2:S.
                (iterated_classrel(es;S;A;f;init;X;e;v1)
                
⇒ iterated_classrel(es;S;A;f;init;X;e;v2)
                
⇒ (v1 = v2 ∈ S))))))
Proof
Definitions occuring in Statement : 
iterated_classrel: iterated_classrel(es;S;A;f;init;X;e;v)
, 
single-valued-classrel: single-valued-classrel(es;X;T)
, 
eclass: EClass(A[eo; e])
, 
event-ordering+: EO+(Info)
, 
es-loc: loc(e)
, 
es-E: E
, 
Id: Id
, 
uall: ∀[x:A]. B[x]
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
apply: f a
, 
function: x:A ⟶ B[x]
, 
universe: Type
, 
equal: s = t ∈ T
, 
single-valued-bag: single-valued-bag(b;T)
, 
bag: bag(T)
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
subtype_rel: A ⊆r B
, 
strongwellfounded: SWellFounded(R[x; y])
, 
exists: ∃x:A. B[x]
, 
nat: ℕ
, 
false: False
, 
ge: i ≥ j 
, 
uimplies: b supposing a
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
not: ¬A
, 
top: Top
, 
and: P ∧ Q
, 
prop: ℙ
, 
guard: {T}
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
le: A ≤ B
, 
less_than': less_than'(a;b)
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
less_than: a < b
, 
squash: ↓T
, 
iterated_classrel: iterated_classrel(es;S;A;f;init;X;e;v)
, 
sq_type: SQType(T)
, 
uiff: uiff(P;Q)
, 
ifthenelse: if b then t else f fi 
, 
btrue: tt
, 
bfalse: ff
, 
so_lambda: λ2x y.t[x; y]
, 
so_apply: x[s1;s2]
, 
single-valued-bag: single-valued-bag(b;T)
, 
single-valued-classrel: single-valued-classrel(es;X;T)
, 
es-E: E
, 
es-base-E: es-base-E(es)
, 
true: True
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
Latex:
\mforall{}[Info,A,S:Type].  \mforall{}[init:Id  {}\mrightarrow{}  bag(S)].  \mforall{}[f:A  {}\mrightarrow{}  S  {}\mrightarrow{}  S].  \mforall{}[X:EClass(A)].
    \mforall{}es:EO+(Info)
        (single-valued-classrel(es;X;A)
        {}\mRightarrow{}  (\mforall{}e:E
                    (single-valued-bag(init  loc(e);S)
                    {}\mRightarrow{}  (\mforall{}v1,v2:S.
                                (iterated\_classrel(es;S;A;f;init;X;e;v1)
                                {}\mRightarrow{}  iterated\_classrel(es;S;A;f;init;X;e;v2)
                                {}\mRightarrow{}  (v1  =  v2))))))
Date html generated:
2016_05_16-PM-01_47_55
Last ObjectModification:
2016_01_17-PM-07_46_01
Theory : event-ordering
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