Nuprl Lemma : new_23_sig_quorum_inv_vote2_fun
∀Cmd:ValueAllType. ∀notify,propose:Atom List. ∀f:new_23_sig_headers_type{i:l}(Cmd;notify;propose). ∀es:EO+(Message(f)).
∀e:E. ∀ni:ℤ × ℤ.
  (no_repeats(Id;snd(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e)))
  ∧ (||snd(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||
    = ||fst(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||
    ∈ ℤ)
  ∧ (∀i:ℕ||snd(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||
       (↓∃e':E
          ((e' <loc e)
          ∧ <<ni, fst(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]>
            , snd(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]
            > ∈ new_23_sig_vote'base(Cmd;notify;propose;f)(e')
          ∧ (∀e''∈[es-init(es;e);e').∀c:Cmd
                                       (¬<<ni, c>, snd(new_23_sig_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]> ∈
                                          new_23_sig_vote'base(Cmd;notify;propose;f)(e'')))))))
Proof
Definitions occuring in Statement : 
new_23_sig_QuorumStateFun: new_23_sig_QuorumStateFun(Cmd;notify;propose;f;x;es;e)
, 
new_23_sig_vote'base: new_23_sig_vote'base(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-init: es-init(es;e)
, 
es-closed-open-interval: [e;e')
, 
es-locl: (e <loc e')
, 
es-E: E
, 
Id: Id
, 
l_all: (∀x∈L.P[x])
, 
no_repeats: no_repeats(T;l)
, 
select: L[n]
, 
length: ||as||
, 
list: T List
, 
int_seg: {i..j-}
, 
vatype: ValueAllType
, 
pi1: fst(t)
, 
pi2: snd(t)
, 
all: ∀x:A. B[x]
, 
exists: ∃x:A. B[x]
, 
not: ¬A
, 
squash: ↓T
, 
and: P ∧ Q
, 
pair: <a, b>
, 
product: x:A × B[x]
, 
natural_number: $n
, 
int: ℤ
, 
atom: Atom
, 
equal: s = 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 ⊆r B
, 
prop: ℙ
, 
so_apply: x[s]
, 
iff: P 
⇐⇒ Q
, 
implies: 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)
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{}ni:\mBbbZ{}  \mtimes{}  \mBbbZ{}.
    (no\_repeats(Id;snd(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e)))
    \mwedge{}  (||snd(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||
        =  ||fst(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||)
    \mwedge{}  (\mforall{}i:\mBbbN{}||snd(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))||
              (\mdownarrow{}\mexists{}e':E
                    ((e'  <loc  e)
                    \mwedge{}  <<ni,  fst(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]>
                        ,  snd(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]
                        >  \mmember{}  new\_23\_sig\_vote'base(Cmd;notify;propose;f)(e')
                    \mwedge{}  (\mforall{}e''\mmember{}[es-init(es;e);e').
                                  \mforall{}c:Cmd
                                      (\mneg{}<<ni,  c>,  snd(new\_23\_sig\_QuorumStateFun(Cmd;notify;propose;f;ni;es;e))[i]>  \mmember{}
                                            new\_23\_sig\_vote'base(Cmd;notify;propose;f)(e'')))))))
Date html generated:
2016_05_17-PM-02_15_33
Last ObjectModification:
2016_01_18-AM-09_32_24
Theory : 2!3!consensus!with!signatures
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