Nuprl Lemma : new_23_sig_replica_state_from_proposal

∀Cmd:ValueAllType. ∀notify,propose:Atom List. ∀f:new_23_sig_headers_type{i:l}(Cmd;notify;propose). ∀es:EO+(Message(f)).
∀e:E. ∀slots:set-sig{i:l}(ℤ). ∀s:set-sig-set(slots).
  (s ∈ new_23_sig_ReplicaState(Cmd;notify;propose;slots;f)(e)
  ⇒ (∀n:ℤ
        ((↑(set-sig-member(slots) n s))
        ⇒ (∃e':E
             ∃c:Cmd
              ((e' <loc e)
              ∧ <n, c> ∈ new_23_sig_Proposal(Cmd;notify;propose;f)(e')
              ∧ (¬↑(set-sig-member(slots) n new_23_sig_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e'))))))))


Proof




Definitions occuring in Statement :  new_23_sig_ReplicaStateFun: new_23_sig_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e),  new_23_sig_ReplicaState: new_23_sig_ReplicaState(Cmd;notify;propose;slots;f),  new_23_sig_Proposal: new_23_sig_Proposal(Cmd;notify;propose;f),  new_23_sig_headers_type: new_23_sig_headers_type{i:l}(Cmd;notify;propose),  set-sig-member: set-sig-member(s),  set-sig-set: set-sig-set(s),  set-sig: set-sig{i:l}(Item),  Message: Message(f),  classrel: v ∈ X(e),  event-ordering+: EO+(Info),  es-locl: (e <loc e'),  es-E: E,  list: T List,  vatype: ValueAllType,  assert: ↑b,  all: ∀x:A. B[x],  exists: ∃x:A. B[x],  not: ¬A,  implies: P ⇒ Q,  and: P ∧ Q,  apply: f a,  pair: <a, b>,  product: x:A × B[x],  int: ℤ,  atom: Atom
Definitions unfolded in proof :  vatype: ValueAllType,  all: ∀x:A. B[x],  implies: P ⇒ Q,  new_23_sig_headers_type: new_23_sig_headers_type{i:l}(Cmd;notify;propose),  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 ⊆r B,  prop: ℙ,  so_apply: x[s],  iff: P ⇐⇒ Q,  name: Name,  new_23_sig_headers: new_23_sig_headers(notify;propose),  listp: A List+,  rev_implies: P ⇐ Q,  guard: {T},  or: P ∨ Q,  uimplies: b supposing a,  new_23_sig_headers_fun: new_23_sig_headers_fun(Cmd;notify;propose),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  sq_stable: SqStable(P),  cand: A c∧ B,  new_23_sig_headers_no_rep: new_23_sig_headers_no_rep(notify;propose),  squash: ↓T,  no_repeats: no_repeats(T;l),  nat: ℕ,  le: A ≤ B,  less_than': less_than'(a;b),  false: False,  not: ¬A,  length: ||as||,  list_ind: list_ind,  cons: [a / b],  nil: [],  less_than: a < b,  true: True,  ge: i ≥ j ,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  top: Top,  select: L[n],  subtract: n - m,  bfalse: ff,  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  name_eq: name_eq(x;y),  name-deq: NameDeq,  list-deq: list-deq(eq),  band: p ∧b q,  atom-deq: AtomDeq,  eq_atom: x =a y,  null: null(as),  new_23_sig_ReplicaState: new_23_sig_ReplicaState(Cmd;notify;propose;slots;f),  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  Memory1: Memory1(init;tr;X),  new_23_sig_Proposal: new_23_sig_Proposal(Cmd;notify;propose;f),  new_23_sig_vote'base: new_23_sig_vote'base(Cmd;notify;propose;f),  new_23_sig_propose'base: new_23_sig_propose'base(Cmd;notify;propose;f),  list: T List,  encodes-msg-type: hdr encodes T,  new_23_sig_vote2prop: new_23_sig_vote2prop(Cmd),  new_23_sig_ReplicaStateFun: new_23_sig_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e),  classfun: X(e),  sv-bag-only: sv-bag-only(b),  hd: hd(l),  pi1: fst(t),  new_23_sig_update_replica: new_23_sig_update_replica(Cmd;slots),  decidable: Dec(P)

Latex:
\mforall{}Cmd:ValueAllType.  \mforall{}notify,propose:Atom  List.  \mforall{}f:new\_23\_sig\_headers\_type\{i:l\}(Cmd;notify;propose).
\mforall{}es:EO+(Message(f)).  \mforall{}e:E.  \mforall{}slots:set-sig\{i:l\}(\mBbbZ{}).  \mforall{}s:set-sig-set(slots).
    (s  \mmember{}  new\_23\_sig\_ReplicaState(Cmd;notify;propose;slots;f)(e)
    {}\mRightarrow{}  (\mforall{}n:\mBbbZ{}
                ((\muparrow{}(set-sig-member(slots)  n  s))
                {}\mRightarrow{}  (\mexists{}e':E
                          \mexists{}c:Cmd
                            ((e'  <loc  e)
                            \mwedge{}  <n,  c>  \mmember{}  new\_23\_sig\_Proposal(Cmd;notify;propose;f)(e')
                            \mwedge{}  (\mneg{}\muparrow{}(set-sig-member(slots)  n 
                                        new\_23\_sig\_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e'))))))))



Date html generated: 2016_05_17-PM-02_15_40
Last ObjectModification: 2016_01_18-AM-09_33_43

Theory : 2!3!consensus!with!signatures


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