Nuprl Lemma : pv11_p1_acc_state_from_p2a

Cmd:ValueAllType. ∀f:pv11_p1_headers_type{i:l}(Cmd). ∀es:EO+(Message(f)). ∀e:E. ∀ldrs_uid:Id ⟶ ℤ.
v:pv11_p1_Ballot_Num() × ((pv11_p1_Ballot_Num() × ℤ × Cmd) List). ∀b:pv11_p1_Ballot_Num(). ∀s:ℤ. ∀c:Cmd.
  (Inj(Id;ℤ;ldrs_uid)
   v ∈ pv11_p1_AcceptorState(Cmd;ldrs_uid;f)(e)
   let bnum,accepted 
     in (<b, s, c> ∈ accepted)
         (↓∃e':E
              ∃l:Id
               (e' ≤loc 
               ∧ <l, b, s, c> ∈ pv11_p1_p2a'base(Cmd;f)(e')
               ∧ (b (fst(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e'))) ∈ pv11_p1_Ballot_Num())
               ∧ (∀e'':E
                    (e' ≤loc e'' 
                     e'' ≤loc 
                     (<b, s, c> ∈ snd(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e''))))))))


Proof




Definitions occuring in Statement :  pv11_p1_AcceptorStateFun: pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;mf;es;e) pv11_p1_AcceptorState: pv11_p1_AcceptorState(Cmd;ldrs_uid;mf) pv11_p1_p2a'base: pv11_p1_p2a'base(Cmd;mf) pv11_p1_headers_type: pv11_p1_headers_type{i:l}(Cmd) pv11_p1_Ballot_Num: pv11_p1_Ballot_Num() Message: Message(f) classrel: v ∈ X(e) event-ordering+: EO+(Info) es-le: e ≤loc e'  es-E: E Id: Id l_member: (x ∈ l) list: List inject: Inj(A;B;f) vatype: ValueAllType pi1: fst(t) pi2: snd(t) all: x:A. B[x] exists: x:A. B[x] squash: T implies:  Q and: P ∧ Q function: x:A ⟶ B[x] spread: spread def pair: <a, b> product: x:A × B[x] int: equal: t ∈ T
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) strongwellfounded: SWellFounded(R[x; y]) exists: x:A. B[x] nat: ge: i ≥  satisfiable_int_formula: satisfiable_int_formula(fmla) top: Top decidable: Dec(P) or: P ∨ Q pv11_p1_p1a'base: pv11_p1_p1a'base(Cmd;mf) encodes-msg-type: hdr encodes T pv11_p1_p2a'base: pv11_p1_p2a'base(Cmd;mf) uiff: uiff(P;Q) bnot: ¬bb assert: b so_apply: x[s1;s2] bool: 𝔹 unit: Unit sq_type: SQType(T) pv11_p1_AcceptorState: pv11_p1_AcceptorState(Cmd;ldrs_uid;mf) pv11_p1_on_p1a: pv11_p1_on_p1a(Cmd;ldrs_uid) pv11_p1_init_acceptor: pv11_p1_init_acceptor(Cmd) pi1: fst(t) pi2: snd(t) pv11_p1_init_accepted: pv11_p1_init_accepted(Cmd) pv11_p1_on_p2a: pv11_p1_on_p2a(Cmd;ldrs_uid) let: let bl-exists: (∃x∈L.P[x])_b cand: c∧ B so_lambda: λ2y.t[x; y] bor: p ∨bq has-es-info-type: has-es-info-type(es;e;f;T) es-le: e ≤loc e'  pv11_p1_add_if_new: pv11_p1_add_if_new() append: as bs so_lambda: so_lambda(x,y,z.t[x; y; z]) so_apply: x[s1;s2;s3] Id: Id pv11_p1_Ballot_Num: pv11_p1_Ballot_Num()

Latex:
\mforall{}Cmd:ValueAllType.  \mforall{}f:pv11\_p1\_headers\_type\{i:l\}(Cmd).  \mforall{}es:EO+(Message(f)).  \mforall{}e:E.  \mforall{}ldrs$_\mbackslash{}ff7\000Cbuid}$:Id  {}\mrightarrow{}  \mBbbZ{}.
\mforall{}v:pv11\_p1\_Ballot\_Num()  \mtimes{}  ((pv11\_p1\_Ballot\_Num()  \mtimes{}  \mBbbZ{}  \mtimes{}  Cmd)  List).  \mforall{}b:pv11\_p1\_Ballot\_Num().  \mforall{}s:\mBbbZ{}.
\mforall{}c:Cmd.
    (Inj(Id;\mBbbZ{};ldrs$_{uid}$)
    {}\mRightarrow{}  v  \mmember{}  pv11\_p1\_AcceptorState(Cmd;ldrs$_{uid}$;f)(e)
    {}\mRightarrow{}  let  bnum,accepted  =  v 
          in  (<b,  s,  c>  \mmember{}  accepted)
                {}\mRightarrow{}  (\mdownarrow{}\mexists{}e':E
                            \mexists{}l:Id
                              (e'  \mleq{}loc  e 
                              \mwedge{}  <l,  b,  s,  c>  \mmember{}  pv11\_p1\_p2a'base(Cmd;f)(e')
                              \mwedge{}  (b  =  (fst(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid}$;f;es;e'))))
                              \mwedge{}  (\mforall{}e'':E
                                        (e'  \mleq{}loc  e'' 
                                        {}\mRightarrow{}  e''  \mleq{}loc  e 
                                        {}\mRightarrow{}  (<b,  s,  c>  \mmember{}  snd(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid}\mbackslash{}ff2\000C4;f;es;e''))))))))



Date html generated: 2016_05_17-PM-03_58_05
Last ObjectModification: 2016_01_18-AM-11_25_10

Theory : paxos!synod


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