Proof of Nuprl Lemma : pv11_p1_A5

Step * 1 1 1 of Lemma pv11_p1_A5_C2

.....antecedent.....
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. accpts : bag(Id)@i
14. ldrs : bag(Id)@i
15. ldrs_uid : Id ─→ ℤ@i
16. reps : bag(Id)@i
17. b : pv11_p1_Ballot_Num()@i
18. s : ℤ@i
19. p : Cmd@i
20. p' : Cmd@i
21. as : bag(Id)@i
22. cs : bag(Id)@i
23. pv11_p1_message-constraint{paxos-v11-part1.esh:o}(Cmd; accpts; ldrs; ldrs_uid; reps; f; es)@i
24. Inj(Id;ℤ;ldrs_uid)@i
25. accpts = (as + cs) ∈ bag(Id)@i
26. #(as) < pv11_p1_threshold(accpts)@i
27. ∀a:Id
(a ↓∈ cs ⇒

 (↓∃e':E. ((a = loc(e') ∈ Id) ∧ (<b, s, p> ∈ snd(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e'))))))@i

28. e : E@i
29. ∀e1:E
      ((e1 < e)
      ⇒ (∀b':pv11_p1_Ballot_Num()
            ((↑(b  < b'))
            ⇒ (∀l,i:Id.
                  (((<b', s, p'> ∈ snd(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e1)))

                  ∨ pv11_p1_p2a'send(Cmd;f) i <l, b', s, p'> ∈ pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;f)(e1))

⇒ (p = p' ∈ Cmd))))))
30. b' : pv11_p1_Ballot_Num()@i
31. ↑(b < b')@i
32. l : Id@i
33. i : Id@i
34. (<b', s, p'> ∈ snd(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e)))@i
35. e' : E
36. l1 : Id
37. e' ≤loc e
38. <l1, b', s, p'> ∈ pv11_p1_p2a'base(Cmd;f)(e')
39. e'@0 : E
40. delay : ℤ
41. (e'@0 < e')

42. make-msg-interface(delay;loc(e');mk-msg(msg-authentic(info(e'));``pv11_p1 p2a``;<l1, b', s, p'>)) ∈ pv11_p1_main(Cmd\000C;accpts;ldrs;ldrs_uid;reps;f)(e'@0)

⊢ (<b', s, p'> ∈ snd(pv11_p1_AcceptorStateFun(Cmd;ldrs_uid;f;es;e'@0)))
∨ pv11_p1_p2a'send(Cmd;f) loc(e') <l1, b', s, p'> ∈ pv11_p1_main(Cmd;accpts;ldrs;ldrs_uid;reps;f)(e'@0)
BY
{ ((OrRight THENA Auto)
   THEN RepUR ``pv11_p1_p2a'send mk-msg-interface`` 0
   THEN (Subst ⌈delay ~ 0⌉ (-1)⋅ THENA (RewriteWithILF (-1) THEN Auto))
   THEN (Subst ⌈msg-authentic(info(e')) ~ ff⌉ (-1)⋅ THENA (RewriteWithILF (-1) THEN Auto))
   THEN Auto) }

Latex:

Latex:
.....antecedent..... 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. accpts : bag(Id)@i 14. ldrs : bag(Id)@i 15. ldrs$_{uid}$ : Id {}\mrightarrow{} \mBbbZ{}@i 16. reps : bag(Id)@i 17. b : pv11\_p1\_Ballot\_Num()@i 18. s : \mBbbZ{}@i 19. p : Cmd@i 20. p' : Cmd@i 21. as : bag(Id)@i 22. cs : bag(Id)@i 23. pv11\_p1\_message-constraint\{paxos-v11-part1.esh:o\}(Cmd; accpts; ldrs; ldrs$_{uid}\000C$; reps; f; es)@i 24. Inj(Id;\mBbbZ{};ldrs$_{uid}$)@i 25. accpts = (as + cs)@i 26. \#(as) < pv11\_p1\_threshold(accpts)@i 27. \mforall{}a:Id (a \mdownarrow{}\mmember{} cs {}\mRightarrow{} (\mdownarrow{}\mexists{}e':E ((a = loc(e')) \mwedge{} (<b, s, p> \mmember{} snd(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid\mbackslash{}ff\000C7d$;f;es;e'))))))@i 28. e : E@i 29. \mforall{}e1:E ((e1 < e) {}\mRightarrow{} (\mforall{}b':pv11\_p1\_Ballot\_Num() ((\muparrow{}(b < b')) {}\mRightarrow{} (\mforall{}l,i:Id. (((<b', s, p'> \mmember{} snd(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid}$\000C;f;es;e1))) \mvee{} pv11\_p1\_p2a'send(Cmd;f) i <l, b', s, p'> \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs\mbackslash{}ff2\000C4_{uid}$;reps;f)(e1)) {}\mRightarrow{} (p = p')))))) 30. b' : pv11\_p1\_Ballot\_Num()@i 31. \muparrow{}(b < b')@i 32. l : Id@i 33. i : Id@i 34. (<b', s, p'> \mmember{} snd(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid}$;f;es;e)))@i 35. e' : E 36. l1 : Id 37. e' \mleq{}loc e 38. <l1, b', s, p'> \mmember{} pv11\_p1\_p2a'base(Cmd;f)(e') 39. e'@0 : E 40. delay : \mBbbZ{} 41. (e'@0 < e') 42. make-msg-interface(delay;loc(e');mk-msg(msg-authentic(info(e'));``pv11\_p1 p2a``;<l1, b', s, p'>)\000C) \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs$_{uid}$;reps;f)(e'@0) \mvdash{} (<b', s, p'> \mmember{} snd(pv11\_p1\_AcceptorStateFun(Cmd;ldrs$_{uid}$;f;es;e'@0))) \mvee{} pv11\_p1\_p2a'send(Cmd;f) loc(e') <l1, b', s, p'> \mmember{} pv11\_p1\_main(Cmd;accpts;ldrs;ldrs$_{\000Cuid}$;reps;f)(e'@0) By Latex: ((OrRight THENA Auto) THEN RepUR ``pv11\_p1\_p2a'send mk-msg-interface`` 0 THEN (Subst \mkleeneopen{}delay \msim{} 0\mkleeneclose{} (-1)\mcdot{} THENA (RewriteWithILF (-1) THEN Auto)) THEN (Subst \mkleeneopen{}msg-authentic(info(e')) \msim{} ff\mkleeneclose{} (-1)\mcdot{} THENA (RewriteWithILF (-1) THEN Auto)) THEN Auto) Home Index