Step
*
1
2
2
1
1
of Lemma
new_23_sig_progress-step10
1. Cmd : {T:Type| valueall-type(T)}
2. eq : EqDecider(Cmd)
3. reps : bag(Id)
4. clients : bag(Id)
5. coeff : {2...}
6. flrs : ℕ
7. propose : Atom List
8. notify : Atom List
9. slots : set-sig{i:l}(ℤ)
10. f : new_23_sig_headers_type{i:l}(Cmd;notify;propose)
11. (f propose) = (ℤ × Cmd) ∈ Type
12. (f notify) = (ℤ × Cmd) ∈ Type
13. (f ``new_23_sig decided``) = (ℤ × Cmd) ∈ Type
14. (f ``new_23_sig retry``) = (ℤ × ℤ × Cmd) ∈ Type
15. (f ``new_23_sig vote``) = (ℤ × ℤ × Cmd × Id) ∈ Type
16. f ∈ Name ─→ Type
17. es : EO+(Message(f))
18. e : E
19. n : ℤ
20. c : Cmd
21. faulty : bag(Id)
22. #(faulty) ≤ flrs@i
23. ∀e:E. ∀dmsg:Interface.
(dmsg ∈ new_23_sig_main()(e)
⇒ (¬loc(e) ↓∈ faulty)
⇒ loc(e) ↓∈ reps
⇒ (↓∃e':E. ∃delay:ℤ. ((e < e') ∧ (dmsg = make-msg-interface(delay;loc(e');info(e')) ∈ Interface))))@i
24. bag-no-repeats(Id;reps)@i
25. #(reps) = ((coeff * flrs) + flrs + 1) ∈ ℤ@i
26. loc(e) ↓∈ reps@i
27. ¬loc(e) ↓∈ faulty@i
28. <n, c> ∈ new_23_sig_Proposal(Cmd;notify;propose;f)(e)@i
29. ¬↑(set-sig-member(slots) n new_23_sig_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e))@i
30. e' : E
31. ((coeff * flrs) + 1)
= ||mapfilter(λe.<snd(msgval(e)), e, snd(fst(msgval(e)))>;
λe'.new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es.e;e';n;0);
[e, e'])||
∈ ℤ
32. e ≤loc e'
33. ↑new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es.e;e';n;0)
34. ¬↑(∃x∈[e, e'].new_23_sig_decided_with_id(Cmd;notify;propose;f;es;x;n))_b
35. e1 : E
36. c' : Cmd
37. e ≤loc e1
38. make-msg-interface(0;loc(e);make-Msg(``new_23_sig decided``;<n, c'>)) ∈ new_23_sig_main()(e1)
39. e2 : E
40. delay : ℤ
41. (e1 < e2)
42. 0 = delay ∈ ℤ
43. loc(e) = loc(e2) ∈ Id
44. make-Msg(``new_23_sig decided``;<n, c'>) = info(e2) ∈ Message(f)
45. (e <loc e2)
⊢ info(e2) = mk-msg(msg-authentic(info(e2));``new_23_sig decided``;<n, c'>) ∈ Message(f)
BY
{ (Subst' msg-authentic(info(e2)) = ff 0 THENA (RevHypSubst' (-2) 0 THEN Auto)) }
1
1. Cmd : {T:Type| valueall-type(T)}
2. eq : EqDecider(Cmd)
3. reps : bag(Id)
4. clients : bag(Id)
5. coeff : {2...}
6. flrs : ℕ
7. propose : Atom List
8. notify : Atom List
9. slots : set-sig{i:l}(ℤ)
10. f : new_23_sig_headers_type{i:l}(Cmd;notify;propose)
11. (f propose) = (ℤ × Cmd) ∈ Type
12. (f notify) = (ℤ × Cmd) ∈ Type
13. (f ``new_23_sig decided``) = (ℤ × Cmd) ∈ Type
14. (f ``new_23_sig retry``) = (ℤ × ℤ × Cmd) ∈ Type
15. (f ``new_23_sig vote``) = (ℤ × ℤ × Cmd × Id) ∈ Type
16. f ∈ Name ─→ Type
17. es : EO+(Message(f))
18. e : E
19. n : ℤ
20. c : Cmd
21. faulty : bag(Id)
22. #(faulty) ≤ flrs@i
23. ∀e:E. ∀dmsg:Interface.
(dmsg ∈ new_23_sig_main()(e)
⇒ (¬loc(e) ↓∈ faulty)
⇒ loc(e) ↓∈ reps
⇒ (↓∃e':E. ∃delay:ℤ. ((e < e') ∧ (dmsg = make-msg-interface(delay;loc(e');info(e')) ∈ Interface))))@i
24. bag-no-repeats(Id;reps)@i
25. #(reps) = ((coeff * flrs) + flrs + 1) ∈ ℤ@i
26. loc(e) ↓∈ reps@i
27. ¬loc(e) ↓∈ faulty@i
28. <n, c> ∈ new_23_sig_Proposal(Cmd;notify;propose;f)(e)@i
29. ¬↑(set-sig-member(slots) n new_23_sig_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e))@i
30. e' : E
31. ((coeff * flrs) + 1)
= ||mapfilter(λe.<snd(msgval(e)), e, snd(fst(msgval(e)))>;
λe'.new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es.e;e';n;0);
[e, e'])||
∈ ℤ
32. e ≤loc e'
33. ↑new_23_sig_vote_with_ballot_first(Cmd;notify;propose;f;es.e;e';n;0)
34. ¬↑(∃x∈[e, e'].new_23_sig_decided_with_id(Cmd;notify;propose;f;es;x;n))_b
35. e1 : E
36. c' : Cmd
37. e ≤loc e1
38. make-msg-interface(0;loc(e);make-Msg(``new_23_sig decided``;<n, c'>)) ∈ new_23_sig_main()(e1)
39. e2 : E
40. delay : ℤ
41. (e1 < e2)
42. 0 = delay ∈ ℤ
43. loc(e) = loc(e2) ∈ Id
44. make-Msg(``new_23_sig decided``;<n, c'>) = info(e2) ∈ Message(f)
45. (e <loc e2)
⊢ info(e2) = mk-msg(ff;``new_23_sig decided``;<n, c'>) ∈ Message(f)
Latex:
Latex:
1. Cmd : \{T:Type| valueall-type(T)\}
2. eq : EqDecider(Cmd)
3. reps : bag(Id)
4. clients : bag(Id)
5. coeff : \{2...\}
6. flrs : \mBbbN{}
7. propose : Atom List
8. notify : Atom List
9. slots : set-sig\{i:l\}(\mBbbZ{})
10. f : new\_23\_sig\_headers\_type\{i:l\}(Cmd;notify;propose)
11. (f propose) = (\mBbbZ{} \mtimes{} Cmd)
12. (f notify) = (\mBbbZ{} \mtimes{} Cmd)
13. (f ``new\_23\_sig decided``) = (\mBbbZ{} \mtimes{} Cmd)
14. (f ``new\_23\_sig retry``) = (\mBbbZ{} \mtimes{} \mBbbZ{} \mtimes{} Cmd)
15. (f ``new\_23\_sig vote``) = (\mBbbZ{} \mtimes{} \mBbbZ{} \mtimes{} Cmd \mtimes{} Id)
16. f \mmember{} Name {}\mrightarrow{} Type
17. es : EO+(Message(f))
18. e : E
19. n : \mBbbZ{}
20. c : Cmd
21. faulty : bag(Id)
22. \#(faulty) \mleq{} flrs@i
23. \mforall{}e:E. \mforall{}dmsg:Interface.
(dmsg \mmember{} new\_23\_sig\_main()(e)
{}\mRightarrow{} (\mneg{}loc(e) \mdownarrow{}\mmember{} faulty)
{}\mRightarrow{} loc(e) \mdownarrow{}\mmember{} reps
{}\mRightarrow{} (\mdownarrow{}\mexists{}e':E. \mexists{}delay:\mBbbZ{}. ((e < e') \mwedge{} (dmsg = make-msg-interface(delay;loc(e');info(e'))))))@i
24. bag-no-repeats(Id;reps)@i
25. \#(reps) = ((coeff * flrs) + flrs + 1)@i
26. loc(e) \mdownarrow{}\mmember{} reps@i
27. \mneg{}loc(e) \mdownarrow{}\mmember{} faulty@i
28. <n, c> \mmember{} new\_23\_sig\_Proposal(Cmd;notify;propose;f)(e)@i
29. \mneg{}\muparrow{}(set-sig-member(slots) n new\_23\_sig\_ReplicaStateFun(Cmd;notify;propose;slots;f;es;e))@i
30. e' : E
31. ((coeff * flrs) + 1)
= ||mapfilter(\mlambda{}e.<snd(msgval(e)), e, snd(fst(msgval(e)))>
\mlambda{}e'.new\_23\_sig\_vote\_with\_ballot\_first(Cmd;notify;propose;f;es.e;e';n;0);
[e, e'])||
32. e \mleq{}loc e'
33. \muparrow{}new\_23\_sig\_vote\_with\_ballot\_first(Cmd;notify;propose;f;es.e;e';n;0)
34. \mneg{}\muparrow{}(\mexists{}x\mmember{}[e, e'].new\_23\_sig\_decided\_with\_id(Cmd;notify;propose;f;es;x;n))\_b
35. e1 : E
36. c' : Cmd
37. e \mleq{}loc e1
38. make-msg-interface(0;loc(e);make-Msg(``new\_23\_sig decided``;<n, c'>)) \mmember{} new\_23\_sig\_main()(e1)
39. e2 : E
40. delay : \mBbbZ{}
41. (e1 < e2)
42. 0 = delay
43. loc(e) = loc(e2)
44. make-Msg(``new\_23\_sig decided``;<n, c'>) = info(e2)
45. (e <loc e2)
\mvdash{} info(e2) = mk-msg(msg-authentic(info(e2));``new\_23\_sig decided``;<n, c'>)
By
Latex:
(Subst' msg-authentic(info(e2)) = ff 0 THENA (RevHypSubst' (-2) 0 THEN Auto))
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