Nuprl Lemma : new_23_sig_rounds_mem

Cmd:ValueAllType. ∀notify,propose:Atom List. ∀f:new_23_sig_headers_type{i:l}(Cmd;notify;propose). ∀es:EO+(Message(f)).
e1,e2:E. ∀n,round1,round2:ℤ. ∀z:ℤ × ℤ × Cmd.
  ((e1 <loc e2)
   z ∈ new_23_sig_RoundInfo(Cmd;notify;propose;f)(e1)
   round1 ∈ new_23_sig_NewRoundsState(Cmd;notify;propose;f) n(e1)
   round2 ∈ new_23_sig_NewRoundsState(Cmd;notify;propose;f) n(e2)
   let z,cmd 
     in let n',round' 
        in (n n' ∈ ℤ (round' ≤ round2))


Proof




Definitions occuring in Statement :  new_23_sig_NewRoundsState: new_23_sig_NewRoundsState(Cmd;notify;propose;f) new_23_sig_RoundInfo: new_23_sig_RoundInfo(Cmd;notify;propose;f) new_23_sig_headers_type: new_23_sig_headers_type{i:l}(Cmd;notify;propose) Message: Message(f) classrel: v ∈ X(e) event-ordering+: EO+(Info) es-locl: (e <loc e') es-E: E list: List vatype: ValueAllType le: A ≤ B all: x:A. B[x] implies:  Q apply: a spread: spread def product: x:A × B[x] int: atom: Atom equal: t ∈ T
Definitions unfolded in proof :  vatype: ValueAllType all: x:A. B[x] implies:  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 ⊆B prop: so_apply: x[s] iff: ⇐⇒ Q name: Name new_23_sig_headers: new_23_sig_headers(notify;propose) listp: List+ rev_implies:  Q guard: {T} or: P ∨ Q uimplies: 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 then else fi  sq_stable: SqStable(P) cand: 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: 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 ≥  satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] top: Top select: L[n] subtract: 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: =a y null: null(as) new_23_sig_NewRoundsState: new_23_sig_NewRoundsState(Cmd;notify;propose;f) so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] Memory1: Memory1(init;tr;X) so_apply: x[s1;s2;s3] new_23_sig_update_round: new_23_sig_update_round(Cmd) decidable: Dec(P) nequal: a ≠ b ∈  new_23_sig_RoundInfo: new_23_sig_RoundInfo(Cmd;notify;propose;f) new_23_sig_vote'base: new_23_sig_vote'base(Cmd;notify;propose;f) new_23_sig_retry'base: new_23_sig_retry'base(Cmd;notify;propose;f) encodes-msg-type: hdr encodes T new_23_sig_vote2retry: new_23_sig_vote2retry(Cmd)

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{}e1,e2:E.  \mforall{}n,round1,round2:\mBbbZ{}.  \mforall{}z:\mBbbZ{}  \mtimes{}  \mBbbZ{}  \mtimes{}  Cmd.
    ((e1  <loc  e2)
    {}\mRightarrow{}  z  \mmember{}  new\_23\_sig\_RoundInfo(Cmd;notify;propose;f)(e1)
    {}\mRightarrow{}  round1  \mmember{}  new\_23\_sig\_NewRoundsState(Cmd;notify;propose;f)  n(e1)
    {}\mRightarrow{}  round2  \mmember{}  new\_23\_sig\_NewRoundsState(Cmd;notify;propose;f)  n(e2)
    {}\mRightarrow{}  let  z,cmd  =  z 
          in  let  n',round'  =  z 
                in  (n  =  n')  {}\mRightarrow{}  (round'  \mleq{}  round2))



Date html generated: 2016_05_17-PM-02_05_11
Last ObjectModification: 2016_01_18-AM-09_34_21

Theory : 2!3!consensus!with!signatures


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