{ [V:Type]
    A:Id List. t:. f:V List  V. v0:V. L:consensus-rcv(V;A) List.
      let b,i,as,vs,v = consensus-accum-num-state(t;f;v0;L) in
       (((2 * t) + 1)  ||remove-repeats(IdDeq;map(p.(fst(p));
                                                   votes-from-inning(i 
                                                   - 2;L)))||) supposing 
          ((votes-from-inning(i - 1;L) = []) and 
          (1 < i)) }

{ Proof }



Definitions occuring in Statement :  consensus-accum-num-state: consensus-accum-num-state(t;f;v0;L) votes-from-inning: votes-from-inning(i;L) consensus-rcv: consensus-rcv(V;A) id-deq: IdDeq Id: Id map: map(f;as) length: ||as|| nat_plus: spreadn: let a,b,c,d,e = u in v[a; b; c; d; e] uimplies: b supposing a uall: [x:A]. B[x] pi1: fst(t) le: A  B all: x:A. B[x] less_than: a < b set: {x:A| B[x]}  lambda: x.A[x] function: x:A  B[x] product: x:A  B[x] nil: [] list: type List multiply: n * m subtract: n - m add: n + m natural_number: $n universe: Type equal: s = t l_member: (x  l) remove-repeats: remove-repeats(eq;L)
Definitions :  member: t  T votes-from-inning: votes-from-inning(i;L) top: Top all: x:A. B[x] subtype: S  T cs-initial-rcv: Init[v] map: map(f;as) mapfilter: mapfilter(f;P;L) rcvd-inning-eq: inning(r) = i filter: filter(P;l) band: p  q rcv-vote?: rcv-vote?(x) reduce: reduce(f;k;as) ifthenelse: if b then t else f fi  bfalse: ff ycomb: Y uimplies: b supposing a spreadn: let a,b,c,d,e = u in v[a; b; c; d; e] and: P  Q cand: A c B prop: Id: Id so_lambda: x.t[x] le: A  B pi1: fst(t) cs-rcv-vote: Vote[a;i;v] not: A spreadn: spread3 rcvd-vote: rcvd-vote(x) outr: outr(x) btrue: tt implies: P  Q false: False uall: [x:A]. B[x] nat_plus: sq_type: SQType(T) guard: {T} unzip: unzip(as) pi2: snd(t) so_apply: x[s] nat: bool: unit: Unit iff: P  Q it:
Lemmas :  mapfilter-append consensus-rcv_wf top_wf rcvd-inning-eq_wf l_member_wf map_append_sq votes-from-inning_wf Id_wf append-nil map_wf pi1_wf_top consensus-accum-num-property1 filter_wf rcvd-inning-gt_wf length_wf1 zip_wf le_wf not_wf assert_wf null_wf3 values-for-distinct_wf nat_plus_properties subtype_base_sq int_subtype_base remove-repeats_wf append_wf cs-rcv-vote_wf unzip_zip pi2_wf list_subtype_base set_subtype_base atom2_subtype_base eq_int_wf bool_wf bnot_wf iff_weakening_uiff uiff_transitivity eqtt_to_assert assert_of_eq_int eqff_to_assert assert_of_bnot not_functionality_wrt_uiff

\mforall{}[V:Type]
    \mforall{}A:Id  List.  \mforall{}t:\mBbbN{}\msupplus{}.  \mforall{}f:V  List  {}\mrightarrow{}  V.  \mforall{}v0:V.  \mforall{}L:consensus-rcv(V;A)  List.
        let  b,i,as,vs,v  =  consensus-accum-num-state(t;f;v0;L)  in
          (((2  *  t)  +  1)  \mleq{}  ||remove-repeats(IdDeq;map(\mlambda{}p.(fst(p));votes-from-inning(i 
                                                                                                  -  2;L)))||)  supposing 
                ((votes-from-inning(i  -  1;L)  =  [])  and 
                (1  <  i))


Date html generated: 2011_08_16-AM-10_14_07
Last ObjectModification: 2011_06_18-AM-09_06_25

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