Nuprl Lemma : new_23_sig_quorum_state_eq1

Cmd:ValueAllType. ∀notify,propose:Atom List. ∀f:new_23_sig_headers_type{i:l}(Cmd;notify;propose). ∀es:EO+(Message(f)).
e:E. ∀n,r:ℤ.
  (new_23_sig_QuorumStateFun(Cmd;notify;propose;f;<n, r>;es;e)
  = <rev(mapfilter(λe.(snd(fst(msgval(e))));
                   λe.new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es;e;n;r);
                   [es-init(es;e);e)))
    rev(mapfilter(λe.(snd(msgval(e)));
                    λe.new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es;e;n;r);
                    [es-init(es;e);e)))
    >
  ∈ (Cmd List × (Id List)))


Proof




Definitions occuring in Statement :  new_23_sig_vote_with_ballot_first: new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es;e;n;r) new_23_sig_QuorumStateFun: new_23_sig_QuorumStateFun(Cmd;notify;propose;f;x;es;e) new_23_sig_headers_type: new_23_sig_headers_type{i:l}(Cmd;notify;propose) es-info-body: msgval(e) Message: Message(f) event-ordering+: EO+(Info) es-init: es-init(es;e) es-closed-open-interval: [e;e') es-E: E Id: Id mapfilter: mapfilter(f;P;L) reverse: rev(as) list: List vatype: ValueAllType pi1: fst(t) pi2: snd(t) all: x:A. B[x] lambda: λx.A[x] pair: <a, b> product: x:A × B[x] int: atom: Atom equal: t ∈ T
Definitions unfolded in proof :  vatype: ValueAllType all: x:A. B[x] 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 implies:  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) strongwellfounded: SWellFounded(R[x; y]) int_seg: {i..j-} lelt: i ≤ j < k decidable: Dec(P) has-es-info-type: has-es-info-type(es;e;f;T) pi2: snd(t) pi1: fst(t) new_23_sig_vote'base: new_23_sig_vote'base(Cmd;notify;propose;f) encodes-msg-type: hdr encodes T new_23_sig_add_to_quorum: new_23_sig_add_to_quorum(Cmd) new_23_sig_newvote: new_23_sig_newvote(Cmd) so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] new_23_sig_addvote: new_23_sig_addvote(Cmd) append: as bs so_lambda: so_lambda(x,y,z.t[x; y; z]) so_apply: x[s1;s2;s3] new_23_sig_vote_with_ballot_first: new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es;e;n;r) rev_uimplies: rev_uimplies(P;Q)

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{}n,r:\mBbbZ{}.
    (new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;<n,  r>es;e)
    =  <rev(mapfilter(\mlambda{}e.(snd(fst(msgval(e))));
                                      \mlambda{}e.new\_23\_sig\_vote\_with\_ballot\_first(Cmd;notify;propose;f;es;e;n;r);
                                      [es-init(es;e);e)))
        ,  rev(mapfilter(\mlambda{}e.(snd(msgval(e)));
                                        \mlambda{}e.new\_23\_sig\_vote\_with\_ballot\_first(Cmd;notify;propose;f;es;e;n;r);
                                        [es-init(es;e);e)))
        >)



Date html generated: 2016_05_17-PM-02_34_53
Last ObjectModification: 2016_01_18-AM-09_36_39

Theory : 2!3!consensus!with!signatures


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