Nuprl Lemma : pv11_p1_A2
∀Cmd:ValueAllType. ∀f:pv11_p1_headers_type{i:l}(Cmd). ∀es:EO+(Message(f)). ∀e:E. ∀ldrs_uid:Id ─→ ℤ.
∀bnum1,bnum2:pv11_p1_Ballot_Num(). ∀accepted1,accepted2:(pv11_p1_Ballot_Num() × ℤ × Cmd) List. ∀b:pv11_p1_Ballot_Num().
∀pv:ℤ × Cmd. ∀loc:Id.
  (Inj(Id;ℤ;ldrs_uid)
  
⇒ (¬↑first(e))
  
⇒ <bnum2, accepted2> ∈ pv11_p1_AcceptorState(Cmd;ldrs_uid;f)(e)
  
⇒ <bnum1, accepted1> ∈ pv11_p1_AcceptorState(Cmd;ldrs_uid;f)(pred(e))
  
⇒ (<b, pv> ∈ accepted2)
  
⇒ (¬(<b, pv> ∈ accepted1))
  
⇒ (b = bnum2 ∈ pv11_p1_Ballot_Num()))
Proof
Definitions occuring in Statement : 
pv11_p1_AcceptorState: pv11_p1_AcceptorState(Cmd;ldrs_uid;mf)
, 
pv11_p1_headers_type: pv11_p1_headers_type{i:l}(Cmd)
, 
pv11_p1_Ballot_Num: pv11_p1_Ballot_Num()
, 
Message: Message(f)
, 
classrel: v ∈ X(e)
, 
event-ordering+: EO+(Info)
, 
es-first: first(e)
, 
es-pred: pred(e)
, 
es-E: E
, 
Id: Id
, 
l_member: (x ∈ l)
, 
list: T List
, 
inject: Inj(A;B;f)
, 
vatype: ValueAllType
, 
assert: ↑b
, 
all: ∀x:A. B[x]
, 
not: ¬A
, 
implies: P 
⇒ Q
, 
function: x:A ─→ B[x]
, 
pair: <a, b>
, 
product: x:A × B[x]
, 
int: ℤ
, 
equal: s = t ∈ T
Lemmas : 
int_seg_wf, 
length_wf, 
name_wf, 
pv11_p1_headers_wf, 
l_all_iff, 
l_member_wf, 
equal_wf, 
pv11_p1_headers_fun_wf, 
cons_wf_listp, 
nil_wf, 
listp_wf, 
cons_member, 
cons_wf, 
equal-wf-base, 
iff_weakening_equal, 
not_wf, 
classrel_wf, 
es-pred_wf, 
pv11_p1_AcceptorState_wf, 
assert_wf, 
es-first_wf2, 
inject_wf, 
list_wf, 
pv11_p1_Ballot_Num_wf, 
Id_wf, 
es-E_wf, 
event-ordering+_subtype, 
event-ordering+_wf, 
Message_wf, 
subtype_rel_dep_function, 
vatype_wf, 
pv11_p1_headers_type_wf, 
set_wf, 
valueall-type_wf, 
pv11_p1_inc_acc, 
es-pred-locl, 
squash_wf, 
true_wf, 
eclass_wf, 
member_append, 
pv11_p1_AcceptorState-classrel, 
append_wf, 
pv11_p1_acc_state_fun_eq, 
member-disjoint-union-comb-bool, 
pv11_p1_p1a'base_wf, 
pv11_p1_p2a'base_wf, 
member-eclass_wf, 
bool_wf, 
eqtt_to_assert, 
eqff_to_assert, 
bool_cases_sqequal, 
subtype_base_sq, 
bool_subtype_base, 
assert-bnot, 
classfun-res-disjoint-union-comb-as-parallel-eclass1, 
base-headers-msg-val-single-val, 
subtype_rel_weakening, 
ext-eq_weakening, 
base-disjoint-classrel, 
iff_transitivity, 
name_eq_wf, 
bnot_wf, 
assert-name_eq, 
iff_weakening_uiff, 
assert_of_bnot, 
classfun-res-parallel-class-left, 
eclass1_wf, 
pv11_p1_on_p1a_wf, 
pv11_p1_on_p2a_wf, 
member-eclass-eclass1, 
eclass1-disjoint-classrel, 
disjoint-classrel-symm, 
classfun-res-eclass1, 
classfun-res-member-base, 
member-base-class, 
has-es-info-type-is-msg-has-type, 
subtype_rel-equal, 
pair-eta, 
es-info-body_wf, 
subtype_rel_product, 
top_wf, 
subtype_rel_transitivity, 
es-info-type_wf, 
pv11_p1_AcceptorStateFun_wf, 
subtype_top, 
pv11_p1_max_bnum_wf, 
append_cancel_nil, 
null_nil_lemma, 
btrue_wf, 
member-implies-null-eq-bfalse, 
btrue_neq_bfalse, 
classfun-res-parallel-class-right, 
pv11_p1_leq_bnum_wf, 
pv11_p1_add_if_new_wf, 
pv11_p1_same_pvalue_wf, 
bool_cases, 
bl-exists_wf, 
l_exists_wf, 
assert-bl-exists, 
and_wf, 
null_wf3, 
subtype_rel_list, 
member_singleton, 
pv11_p1_max_bnum_comm, 
pv11_p1_max_bnum_if_leq, 
append-cancellation
Latex:
\mforall{}Cmd:ValueAllType.  \mforall{}f:pv11\_p1\_headers\_type\{i:l\}(Cmd).  \mforall{}es:EO+(Message(f)).  \mforall{}e:E.  \mforall{}ldrs$_\mbackslash{}ff7\000Cbuid}$:Id  {}\mrightarrow{}  \mBbbZ{}.
\mforall{}bnum1,bnum2:pv11\_p1\_Ballot\_Num().  \mforall{}accepted1,accepted2:(pv11\_p1\_Ballot\_Num()  \mtimes{}  \mBbbZ{}  \mtimes{}  Cmd)  List.
\mforall{}b:pv11\_p1\_Ballot\_Num().  \mforall{}pv:\mBbbZ{}  \mtimes{}  Cmd.  \mforall{}loc:Id.
    (Inj(Id;\mBbbZ{};ldrs$_{uid}$)
    {}\mRightarrow{}  (\mneg{}\muparrow{}first(e))
    {}\mRightarrow{}  <bnum2,  accepted2>  \mmember{}  pv11\_p1\_AcceptorState(Cmd;ldrs$_{uid}$;f)(e)
    {}\mRightarrow{}  <bnum1,  accepted1>  \mmember{}  pv11\_p1\_AcceptorState(Cmd;ldrs$_{uid}$;f)(pred(e))
    {}\mRightarrow{}  (<b,  pv>  \mmember{}  accepted2)
    {}\mRightarrow{}  (\mneg{}(<b,  pv>  \mmember{}  accepted1))
    {}\mRightarrow{}  (b  =  bnum2))
Date html generated:
2015_07_23-PM-04_49_53
Last ObjectModification:
2015_02_04-AM-08_01_03
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