Nuprl Lemma : pv11_p1_ldr_mem_propose

Cmd:ValueAllType. ∀f:pv11_p1_headers_type{i:l}(Cmd). ∀es:EO+(Message(f)). ∀e1,e2:E. ∀ldrs_uid:Id ⟶ ℤ.
v1,v2:pv11_p1_Ballot_Num() × 𝔹 × ((ℤ × Cmd) List).
p:ℤ × Cmd pv11_p1_Ballot_Num() × ((pv11_p1_Ballot_Num() × ℤ × Cmd) List) pv11_p1_Ballot_Num().
  ((e1 <loc e2)
   p ∈ pv11_p1_propose'base(Cmd;f) (+) pv11_p1_adopted'base(Cmd;f) (+) pv11_p1_preempted'base(Cmd;f)(e1)
   v1 ∈ pv11_p1_LeaderState(Cmd;ldrs_uid;f)(e1)
   v2 ∈ pv11_p1_LeaderState(Cmd;ldrs_uid;f)(e2)
   case p
      of inl(x) =>
      let s,c 
      in let bnum1,active1,proposals1 v1 in 
         let bnum2,active2,proposals2 v2 in 
         (¬↑(pv11_p1_in_domain(Cmd) proposals1))  (↑(pv11_p1_in_domain(Cmd) proposals2))
      inr(x) =>
      True)


Proof




Definitions occuring in Statement :  pv11_p1_LeaderState: pv11_p1_LeaderState(Cmd;ldrs_uid;mf) pv11_p1_propose'base: pv11_p1_propose'base(Cmd;mf) pv11_p1_adopted'base: pv11_p1_adopted'base(Cmd;mf) pv11_p1_preempted'base: pv11_p1_preempted'base(Cmd;mf) pv11_p1_in_domain: pv11_p1_in_domain(Cmd) pv11_p1_headers_type: pv11_p1_headers_type{i:l}(Cmd) pv11_p1_Ballot_Num: pv11_p1_Ballot_Num() Message: Message(f) disjoint-union-comb: (+) Y classrel: v ∈ X(e) event-ordering+: EO+(Info) es-locl: (e <loc e') es-E: E Id: Id list: List vatype: ValueAllType assert: b bool: 𝔹 spreadn: spread3 all: x:A. B[x] not: ¬A implies:  Q true: True apply: a function: x:A ⟶ B[x] spread: spread def product: x:A × B[x] decide: case of inl(x) => s[x] inr(y) => t[y] union: left right int:
Definitions unfolded in proof :  vatype: ValueAllType all: x:A. B[x] implies:  Q pv11_p1_headers_type: pv11_p1_headers_type{i:l}(Cmd) l_all: (∀x∈L.P[x]) and: P ∧ Q member: t ∈ T uall: [x:A]. B[x] so_lambda: λ2x.t[x] subtype_rel: A ⊆B prop: so_apply: x[s] iff: ⇐⇒ Q listp: List+ name: Name int_seg: {i..j-} lelt: i ≤ j < k le: A ≤ B less_than': less_than'(a;b) false: False not: ¬A less_than: a < b squash: T length: ||as|| list_ind: list_ind pv11_p1_headers: pv11_p1_headers() cons: [a b] nil: [] it: true: True select: L[n] subtract: m uimplies: supposing a guard: {T} rev_implies:  Q pv11_p1_headers_fun: pv11_p1_headers_fun(Cmd) name_eq: name_eq(x;y) name-deq: NameDeq list-deq: list-deq(eq) band: p ∧b q ifthenelse: if then else fi  atom-deq: AtomDeq eq_atom: =a y bfalse: ff btrue: tt null: null(as) pv11_p1_LeaderState: pv11_p1_LeaderState(Cmd;ldrs_uid;mf) so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] Memory3: Memory3 spreadn: spread3 so_apply: x[s1;s2;s3] top: Top pv11_p1_on_propose: pv11_p1_on_propose(Cmd) let: let pv11_p1_in_domain: pv11_p1_in_domain(Cmd) pi1: fst(t) bool: 𝔹 unit: Unit uiff: uiff(P;Q) exists: x:A. B[x] or: P ∨ Q sq_type: SQType(T) bnot: ¬bb assert: b cand: c∧ B pv11_p1_when_adopted: pv11_p1_when_adopted(Cmd;ldrs_uid) pv11_p1_when_preempted: pv11_p1_when_preempted(Cmd;ldrs_uid) pv11_p1_propose'base: pv11_p1_propose'base(Cmd;mf) encodes-msg-type: hdr encodes T pv11_p1_adopted'base: pv11_p1_adopted'base(Cmd;mf) pv11_p1_preempted'base: pv11_p1_preempted'base(Cmd;mf) sq_stable: SqStable(P) pv11_p1_Ballot_Num: pv11_p1_Ballot_Num() pv11_p1_add_if_new: pv11_p1_add_if_new() pv11_p1_same_proposal: pv11_p1_same_proposal(Cmd)

Latex:
\mforall{}Cmd:ValueAllType.  \mforall{}f:pv11\_p1\_headers\_type\{i:l\}(Cmd).  \mforall{}es:EO+(Message(f)).  \mforall{}e1,e2:E.
\mforall{}ldrs$_{uid}$:Id  {}\mrightarrow{}  \mBbbZ{}.  \mforall{}v1,v2:pv11\_p1\_Ballot\_Num()  \mtimes{}  \mBbbB{}  \mtimes{}  ((\mBbbZ{}  \mtimes{}  Cmd)  List).
\mforall{}p:\mBbbZ{}  \mtimes{}  Cmd  +  pv11\_p1\_Ballot\_Num()  \mtimes{}  ((pv11\_p1\_Ballot\_Num()  \mtimes{}  \mBbbZ{}  \mtimes{}  Cmd)  List)  +  pv11\_p1\_Ballot\_Num().
    ((e1  <loc  e2)
    {}\mRightarrow{}  p  \mmember{}
            pv11\_p1\_propose'base(Cmd;f)  (+)  pv11\_p1\_adopted'base(Cmd;f)  (+)  pv11\_p1\_preempted'base(Cmd;f)(
            e1)
    {}\mRightarrow{}  v1  \mmember{}  pv11\_p1\_LeaderState(Cmd;ldrs$_{uid}$;f)(e1)
    {}\mRightarrow{}  v2  \mmember{}  pv11\_p1\_LeaderState(Cmd;ldrs$_{uid}$;f)(e2)
    {}\mRightarrow{}  case  p
            of  inl(x)  =>
            let  s,c  =  x 
            in  let  bnum1,active1,proposals1  =  v1  in 
                  let  bnum2,active2,proposals2  =  v2  in 
                  (\mneg{}\muparrow{}(pv11\_p1\_in\_domain(Cmd)  s  proposals1))  {}\mRightarrow{}  (\muparrow{}(pv11\_p1\_in\_domain(Cmd)  s  proposals2))
            |  inr(x)  =>
            True)



Date html generated: 2016_05_17-PM-03_18_14
Last ObjectModification: 2016_01_18-AM-11_25_26

Theory : paxos!synod


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