---

Step * 1 3 1 of Lemma cs-ref-map3-predecided

.....truecase..... 
1. [V] : Type
2. L : consensus-state3(V) List@i
3. v : V@i
4. ∀[v':V]. v' = v ∈ V supposing (CONSIDERING[v'] ∈ L) ∨ (COMMITED[v'] ∈ L) 
   supposing (CONSIDERING[v] ∈ L) ∨ (COMMITED[v] ∈ L)
5. ∀v:V. ((COMMITED[v] ∈ L) ⇐⇒ cs-ref-map3(L) = Decided[v] ∈ consensus-state2(V))
6. AMBIVALENT = PREDECIDED[v] ∈ consensus-state2(V)@i
7. filter(λx.cs-is-committed(x);L) = [] ∈ (consensus-state3(V) List)
8. filter(λx.cs-is-considering(x);L) = [] ∈ (consensus-state3(V) List)
⊢ (CONSIDERING[v] ∈ L)
BY
{ (RepUR ``consensus-state2 cs-predecided cs-ambivalent`` -3 THEN Auto THEN All Reduce THEN Auto) }

---

Latex:


.....truecase..... 
1.  [V]  :  Type
2.  L  :  consensus-state3(V)  List@i
3.  v  :  V@i
4.  \mforall{}[v':V].  v'  =  v  supposing  (CONSIDERING[v']  \mmember{}  L)  \mvee{}  (COMMITED[v']  \mmember{}  L) 
      supposing  (CONSIDERING[v]  \mmember{}  L)  \mvee{}  (COMMITED[v]  \mmember{}  L)
5.  \mforall{}v:V.  ((COMMITED[v]  \mmember{}  L)  \mLeftarrow{}{}\mRightarrow{}  cs-ref-map3(L)  =  Decided[v])
6.  AMBIVALENT  =  PREDECIDED[v]@i
7.  filter(\mlambda{}x.cs-is-committed(x);L)  =  []
8.  filter(\mlambda{}x.cs-is-considering(x);L)  =  []
\mvdash{}  (CONSIDERING[v]  \mmember{}  L)


By

(RepUR  ``consensus-state2  cs-predecided  cs-ambivalent``  -3  THEN  Auto  THEN  All  Reduce  THEN  Auto)

---

Home Index