Step
*
1
1
1
2
1
1
of Lemma
pv11_p1-agreement
1. Cmd : {T:Type| valueall-type(T)} @i'
2. f : pv11_p1_headers_type{i:l}(Cmd)@i'
3. (f [decision]) = (ℤ × Cmd) ∈ Type
4. (f [propose]) = (ℤ × Cmd) ∈ Type
5. (f ``pv11_p1 adopted``) = (pv11_p1_Ballot_Num() × ((pv11_p1_Ballot_Num() × ℤ × Cmd) List)) ∈ Type
6. (f ``pv11_p1 preempted``) = pv11_p1_Ballot_Num() ∈ Type
7. (f ``pv11_p1 p2b``) = (Id × pv11_p1_Ballot_Num() × ℤ × pv11_p1_Ballot_Num()) ∈ Type
8. (f ``pv11_p1 p2a``) = (Id × pv11_p1_Ballot_Num() × ℤ × Cmd) ∈ Type
9. (f ``pv11_p1 p1b``)
= (Id × pv11_p1_Ballot_Num() × pv11_p1_Ballot_Num() × ((pv11_p1_Ballot_Num() × ℤ × Cmd) List))
∈ Type
10. (f ``pv11_p1 p1a``) = (Id × pv11_p1_Ballot_Num()) ∈ Type
11. f ∈ Name ─→ Type
12. es : EO+(Message(f))@i'
13. e1 : E@i
14. e2 : E@i
15. accpts : bag(Id)@i
16. ldrs : bag(Id)@i
17. ldrs_uid : Id ─→ ℤ@i
18. reps : bag(Id)@i
19. i1 : Id@i
20. i2 : Id@i
21. s : ℤ@i
22. c1 : Cmd@i
23. c2 : Cmd@i
24. pv11_p1_message-constraint{paxos-v11-part1.esh:o}(Cmd; accpts; ldrs; ldrs_uid; reps; f; es)@i
25. Inj(Id;ℤ;ldrs_uid)@i
26. pv11_p1_decision'send(Cmd;f) i1 <s, c1> ∈ pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;f)(e1)@i
27. pv11_p1_decision'send(Cmd;f) i2 <s, c2> ∈ pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;f)(e2)@i
28. a : Id
29. a ↓∈ accpts
30. has-es-info-type(es;e1;f;Id × pv11_p1_Ballot_Num() × ℤ × pv11_p1_Ballot_Num())
31. has-es-info-type(es;e2;f;Id × pv11_p1_Ballot_Num() × ℤ × pv11_p1_Ballot_Num())
32. ↑(pv11_p1_leq_bnum(ldrs_uid) (snd(snd(snd(msgval(e2))))) (snd(snd(snd(msgval(e1))))))
33. pv11_p1_decision{i:l}(Cmd;f;accpts;ldrs;ldrs_uid;reps;es;e1;s;c1)
34. e' : E
35. (e' < e1)
36. loc(e') ↓∈ accpts
37. s = (fst(snd(snd(msgval(e1))))) ∈ ℤ
38. (fst(snd(msgval(e1)))) = (snd(snd(snd(msgval(e1))))) ∈ pv11_p1_Ballot_Num()
39. <loc(e1), snd(snd(snd(msgval(e1)))), s, c1> ∈ pv11_p1_p2a'base(Cmd;f)(e')
40. pv11_p1_pvalue{i:l}(Cmd;ldrs_uid;accpts;es;e';<snd(snd(snd(msgval(e1)))), s, c1>;f)
⊢ c1 = c2 ∈ Cmd
BY
{ (InstLemma `pv11_p1_consistency_lemma` [⌈Cmd⌉;⌈f⌉;⌈es⌉;⌈accpts⌉;⌈ldrs⌉;⌈ldrs_uid⌉;⌈reps⌉;⌈e'⌉;
⌈snd(snd(snd(msgval(e1))))⌉;⌈s⌉;⌈c1⌉;⌈e2⌉;⌈c2⌉]⋅
THEN Auto
THEN Unfold `pv11_p1_decision` 0
THEN InstConcl [⌈0⌉;⌈i2⌉]⋅
THEN Auto
THEN Try (ProveEncodesMsgType)
THEN All(RepUR ``pv11_p1_decision'send mk-msg-interface``)
THEN Auto) }
Latex:
Latex:
1. Cmd : \{T:Type| valueall-type(T)\} @i'
2. f : pv11\_p1\_headers\_type\{i:l\}(Cmd)@i'
3. (f [decision]) = (\mBbbZ{} \mtimes{} Cmd)
4. (f [propose]) = (\mBbbZ{} \mtimes{} Cmd)
5. (f ``pv11\_p1 adopted``) = (pv11\_p1\_Ballot\_Num() \mtimes{} ((pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} Cmd) List))
6. (f ``pv11\_p1 preempted``) = pv11\_p1\_Ballot\_Num()
7. (f ``pv11\_p1 p2b``) = (Id \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} pv11\_p1\_Ballot\_Num())
8. (f ``pv11\_p1 p2a``) = (Id \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} Cmd)
9. (f ``pv11\_p1 p1b``)
= (Id \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} ((pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} Cmd) List))
10. (f ``pv11\_p1 p1a``) = (Id \mtimes{} pv11\_p1\_Ballot\_Num())
11. f \mmember{} Name {}\mrightarrow{} Type
12. es : EO+(Message(f))@i'
13. e1 : E@i
14. e2 : E@i
15. accpts : bag(Id)@i
16. ldrs : bag(Id)@i
17. ldrs$_{uid}$ : Id {}\mrightarrow{} \mBbbZ{}@i
18. reps : bag(Id)@i
19. i1 : Id@i
20. i2 : Id@i
21. s : \mBbbZ{}@i
22. c1 : Cmd@i
23. c2 : Cmd@i
24. pv11\_p1\_message-constraint\{paxos-v11-part1.esh:o\}(Cmd; accpts; ldrs; ldrs$_{uid}\000C$; reps; f; es)@i
25. Inj(Id;\mBbbZ{};ldrs$_{uid}$)@i
26. pv11\_p1\_decision'send(Cmd;f) i1 <s, c1> \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs$_{uid\mbackslash{}ff\000C7d$;reps;f)(e1)@i
27. pv11\_p1\_decision'send(Cmd;f) i2 <s, c2> \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs$_{uid\mbackslash{}ff\000C7d$;reps;f)(e2)@i
28. a : Id
29. a \mdownarrow{}\mmember{} accpts
30. has-es-info-type(es;e1;f;Id \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} pv11\_p1\_Ballot\_Num())
31. has-es-info-type(es;e2;f;Id \mtimes{} pv11\_p1\_Ballot\_Num() \mtimes{} \mBbbZ{} \mtimes{} pv11\_p1\_Ballot\_Num())
32. \muparrow{}(pv11\_p1\_leq\_bnum(ldrs$_{uid}$) (snd(snd(snd(msgval(e2))))) (snd(snd(snd(ms\000Cgval(e1))))))
33. pv11\_p1\_decision\{i:l\}(Cmd;f;accpts;ldrs;ldrs$_{uid}$;reps;es;e1;s;c1)
34. e' : E
35. (e' < e1)
36. loc(e') \mdownarrow{}\mmember{} accpts
37. s = (fst(snd(snd(msgval(e1)))))
38. (fst(snd(msgval(e1)))) = (snd(snd(snd(msgval(e1)))))
39. <loc(e1), snd(snd(snd(msgval(e1)))), s, c1> \mmember{} pv11\_p1\_p2a'base(Cmd;f)(e')
40. pv11\_p1\_pvalue\{i:l\}(Cmd;ldrs$_{uid}$;accpts;es;e';<snd(snd(snd(msgval(e1))))\000C, s, c1>f)
\mvdash{} c1 = c2
By
Latex:
(InstLemma `pv11\_p1\_consistency\_lemma` [\mkleeneopen{}Cmd\mkleeneclose{};\mkleeneopen{}f\mkleeneclose{};\mkleeneopen{}es\mkleeneclose{};\mkleeneopen{}accpts\mkleeneclose{};\mkleeneopen{}ldrs\mkleeneclose{};\mkleeneopen{}ldrs$_{uid}\mbackslash{}\000Cff24\mkleeneclose{};\mkleeneopen{}reps\mkleeneclose{};\mkleeneopen{}e'\mkleeneclose{};
\mkleeneopen{}snd(snd(snd(msgval(e1))))\mkleeneclose{};\mkleeneopen{}s\mkleeneclose{};\mkleeneopen{}c1\mkleeneclose{};\mkleeneopen{}e2\mkleeneclose{};\mkleeneopen{}c2\mkleeneclose{}]\mcdot{}
THEN Auto
THEN Unfold `pv11\_p1\_decision` 0
THEN InstConcl [\mkleeneopen{}0\mkleeneclose{};\mkleeneopen{}i2\mkleeneclose{}]\mcdot{}
THEN Auto
THEN Try (ProveEncodesMsgType)
THEN All(RepUR ``pv11\_p1\_decision'send mk-msg-interface``)
THEN Auto)
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