Nuprl Lemma : pv11_p1-p1a
∀[Cmd:{T:Type| valueall-type(T)} ]. ∀[accpts,ldrs:bag(Id)]. ∀[ldrs_uid:Id ─→ ℤ]. ∀[reps:bag(Id)].
∀[mf:pv11_p1_headers_type{i:l}(Cmd)]. ∀[es:EO+(Message(mf))]. ∀[e:E]. ∀[d:ℤ]. ∀[i:Id]. ∀[auth:𝔹]. ∀[i1:Id].
∀[p:pv11_p1_Ballot_Num()].
(<d, i, mk-msg(auth;``pv11_p1 p1a``;<i1, p>)> ∈ pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;mf)(e)
⇐⇒ loc(e) ↓∈ ldrs
∧ i ↓∈ accpts
∧ (d = 0 ∈ ℤ)
∧ auth = pv11_p1_init_active()
∧ (i1 = loc(e) ∈ Id)
∧ (↓((p = (pv11_p1_init_ballot_num() loc(e)) ∈ pv11_p1_Ballot_Num()) ∧ (↑first(e)))
∨ ((header(e) = ``pv11_p1 preempted`` ∈ Name)
∧ has-es-info-type(es;e;mf;pv11_p1_Ballot_Num())
∧ (↑(pv11_p1_is_bnum() msgval(e)))
∧ (↑(fst(pv11_p1_LeaderStateFun(Cmd;ldrs_uid;mf;es;e)) < msgval(e)))
∧ (p = (pv11_p1_upd_bnum() msgval(e) loc(e)) ∈ pv11_p1_Ballot_Num()))))
Proof
Definitions occuring in Statement :
pv11_p1_main: pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;mf),
pv11_p1_LeaderStateFun: pv11_p1_LeaderStateFun(Cmd;ldrs_uid;mf;es;e),
pv11_p1_init_active: pv11_p1_init_active(),
pv11_p1_init_ballot_num: pv11_p1_init_ballot_num(),
pv11_p1_headers_type: pv11_p1_headers_type{i:l}(Cmd),
pv11_p1_lt_bnum: pv11_p1_lt_bnum(ldrs_uid),
pv11_p1_upd_bnum: pv11_p1_upd_bnum(),
pv11_p1_is_bnum: pv11_p1_is_bnum(),
pv11_p1_Ballot_Num: pv11_p1_Ballot_Num(),
msg-interface: Interface,
mk-msg: mk-msg(auth;hdr;val),
es-info-body: msgval(e),
has-es-info-type: has-es-info-type(es;e;f;T),
es-header: header(e),
Message: Message(f),
classrel: v ∈ X(e),
event-ordering+: EO+(Info),
es-first: first(e),
es-loc: loc(e),
es-E: E,
Id: Id,
name: Name,
cons: [a / b],
nil: [],
valueall-type: valueall-type(T),
assert: ↑b,
bool: 𝔹,
uall: ∀[x:A]. B[x],
pi1: fst(t),
iff: P ⇐⇒ Q,
squash: ↓T,
or: P ∨ Q,
and: P ∧ Q,
set: {x:A| B[x]} ,
apply: f a,
function: x:A ─→ B[x],
pair: <a, b>,
natural_number: $n,
int: ℤ,
token: "$token",
universe: Type,
equal: s = t ∈ T,
bag-member: x ↓∈ bs,
bag: bag(T)
Lemmas :
sq_stable__and,
equal_wf,
cons_wf_listp,
nil_wf,
listp_wf,
vatype_wf,
cons_wf,
list_wf,
equal-wf-T-base,
sq_stable__equal,
squash_wf,
int_seg_wf,
length_wf,
name_wf,
pv11_p1_headers_wf,
l_all_iff,
l_member_wf,
pv11_p1_headers_fun_wf,
cons_member,
equal-wf-base,
iff_weakening_equal,
classrel_wf,
msg-interface_wf,
pv11_p1_main_wf,
make-msg-interface_wf,
mk-msg_wf,
subtype_rel_weakening,
ext-eq_weakening,
bag-member_wf,
es-loc_wf,
event-ordering+_subtype,
int_subtype_base,
bool_wf,
or_wf,
pv11_p1_init_ballot_num_wf,
assert_wf,
es-first_wf2,
es-header_wf,
has-es-info-type_wf,
es-info-body_wf,
pv11_p1_is_bnum_wf,
pv11_p1_lt_bnum_wf,
pv11_p1_LeaderStateFun_wf,
pv11_p1_upd_bnum_wf,
pv11_p1_Ballot_Num_wf,
es-E_wf,
event-ordering+_wf,
Message_wf,
subtype_rel_dep_function,
pv11_p1_headers_type_wf,
bag_wf,
Id_wf,
set_wf,
valueall-type_wf,
pv11_p1-ilf,
eo-forward_wf,
less_than_wf,
bag-size_wf,
pv11_p1_ScoutStateFun_wf,
nat_wf,
pv11_p1_threshold_wf,
make-Msg_wf,
not_wf,
member-eo-forward-E,
eo-forward-header,
eo-forward-has-es-info-type,
equal-wf-base-T,
pv11_p1_CommanderStateFun_wf,
pv11_p1_in_domain_wf,
list-subtype-bag,
exists_wf,
pv11_p1_pmax_wf,
no-classrel-in-interval_wf,
eclass2_wf,
eclass1_wf,
pv11_p1_p2b'base_wf,
pv11_p1_commander_output_wf,
pv11_p1_CommanderState_wf,
no-prior-classrel_wf,
pv11_p1_p1b'base_wf,
pv11_p1_scout_output_wf,
pv11_p1_ScoutState_wf,
es-le_wf,
pv11_p1_AcceptorStateFun_wf,
make-Msg-as-mk-msg,
mk-msg-equal,
bfalse_wf,
msg-header_wf,
hdrmkmsg_lemma,
hdrmakeMsg_lemma,
sq_stable__no_repeats,
true_wf,
false_wf,
and_wf,
null_nil_lemma,
btrue_wf,
reduce_tl_cons_lemma,
tl_wf,
null_wf3,
subtype_rel_list,
top_wf,
null_cons_lemma,
btrue_neq_bfalse,
equal_functionality_wrt_subtype_rel2,
strong-subtype-implies,
strong-subtype-set2,
es-le-self,
member_wf,
sq_stable__bag-member,
eo-forward-info-body
Latex:
\mforall{}[Cmd:\{T:Type| valueall-type(T)\} ]. \mforall{}[accpts,ldrs:bag(Id)]. \mforall{}[ldrs$_{uid}$:Id {}\mrightarrow{}\000C \mBbbZ{}]. \mforall{}[reps:bag(Id)].
\mforall{}[mf:pv11\_p1\_headers\_type\{i:l\}(Cmd)]. \mforall{}[es:EO+(Message(mf))]. \mforall{}[e:E]. \mforall{}[d:\mBbbZ{}]. \mforall{}[i:Id]. \mforall{}[auth:\mBbbB{}].
\mforall{}[i1:Id]. \mforall{}[p:pv11\_p1\_Ballot\_Num()].
(<d, i, mk-msg(auth;``pv11\_p1 p1a``;<i1, p>)> \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs$_{ui\000Cd}$;reps;mf)(e)
\mLeftarrow{}{}\mRightarrow{} loc(e) \mdownarrow{}\mmember{} ldrs
\mwedge{} i \mdownarrow{}\mmember{} accpts
\mwedge{} (d = 0)
\mwedge{} auth = pv11\_p1\_init\_active()
\mwedge{} (i1 = loc(e))
\mwedge{} (\mdownarrow{}((p = (pv11\_p1\_init\_ballot\_num() loc(e))) \mwedge{} (\muparrow{}first(e)))
\mvee{} ((header(e) = ``pv11\_p1 preempted``)
\mwedge{} has-es-info-type(es;e;mf;pv11\_p1\_Ballot\_Num())
\mwedge{} (\muparrow{}(pv11\_p1\_is\_bnum() msgval(e)))
\mwedge{} (\muparrow{}(fst(pv11\_p1\_LeaderStateFun(Cmd;ldrs$_{uid}$;mf;es;e)) < msgval\000C(e)))
\mwedge{} (p = (pv11\_p1\_upd\_bnum() msgval(e) loc(e))))))
Date html generated:
2015_07_23-PM-04_41_41
Last ObjectModification:
2015_02_04-AM-08_22_28
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