Step
*
2
2
of Lemma
iterated-classrel-progress
1. [Info] : Type
2. [A] : Type
3. [S] : Type
4. init : Id ─→ bag(S)@i
5. f : A ─→ S ─→ S@i
6. X : EClass(A)@i'
7. es : EO+(Info)@i'
8. R : S ─→ S ─→ ℙ@i'
9. P : A ─→ S ─→ ℙ@i'
10. e1 : E@i
11. v1 : S@i
12. single-valued-classrel(es;X;A)@i
13. single-valued-bag(init loc(e1);S)@i
14. ∀a:A. ∀s:S. Dec(P[a;s])@i
15. Trans(S;x,y.R[x;y])@i
16. iterated-classrel(es;S;A;f;init;X;e1;v1)@i
17. e2 : E@i
18. ∀e':E
((e' < e2)
⇒ (∀a:A. ∀e:E. ∀s:S.
((e1 <loc e)
⇒ e ≤loc e'
⇒ a ∈ X(e)
⇒ iterated-classrel(es;S;A;f;init;X;pred(e);s)
⇒ ((P[a;s]
⇒ R[s;f a s]) ∧ ((¬P[a;s])
⇒ (s = (f a s) ∈ S)))))
⇒ (e1 <loc e')
⇒ (∀v2:S
(iterated-classrel(es;S;A;f;init;X;e';v2)
⇒ (((∃e:E
∃s:S
((e1 <loc e)
∧ e ≤loc e'
∧ iterated-classrel(es;S;A;f;init;X;pred(e);s)
∧ (∃a:A. (a ∈ X(e) ∧ P[a;s]))))
⇒ R[v1;v2])
∧ ((∀e:E. ∀s:S.
((e1 <loc e)
⇒ e ≤loc e'
⇒ iterated-classrel(es;S;A;f;init;X;pred(e);s)
⇒ (∀a:A. ((¬a ∈ X(e)) ∨ (¬P[a;s])))))
⇒ (v1 = v2 ∈ S))))))
19. ∀a:A. ∀e:E. ∀s:S.
((e1 <loc e)
⇒ e ≤loc e2
⇒ a ∈ X(e)
⇒ iterated-classrel(es;S;A;f;init;X;pred(e);s)
⇒ ((P[a;s]
⇒ R[s;f a s]) ∧ ((¬P[a;s])
⇒ (s = (f a s) ∈ S))))@i
20. (e1 <loc e2)@i
21. v2 : S@i
22. z : S@i
23. iterated-classrel(es;S;A;f;init;X;e1;z)
24. (∀a:A. (¬a ∈ X(e2))) ∧ (v2 = z ∈ S)@i
25. ¬↑first(e2)
26. e1 = pred(e2) ∈ E
27. v1 = z ∈ S
⊢ ((∃e:E. ∃s:S. ((e1 <loc e) ∧ e ≤loc e2 ∧ iterated-classrel(es;S;A;f;init;X;pred(e);s) ∧ (∃a:A. (a ∈ X(e) ∧ P[a;s]))))
⇒ R[v1;v2])
∧ ((∀e:E. ∀s:S.
((e1 <loc e)
⇒ e ≤loc e2
⇒ iterated-classrel(es;S;A;f;init;X;pred(e);s)
⇒ (∀a:A. ((¬a ∈ X(e)) ∨ (¬P[a;s])))))
⇒ (v1 = v2 ∈ S))
BY
{ (D 0
THEN (UnivCD THENA Auto)
THEN Auto
THEN Assert ⌈False⌉⋅
THEN Auto
THEN ExRepD
THEN D (-5)
THEN Auto
THEN (InstLemma `es-pred_property` [⌈es⌉;⌈e2⌉]⋅ THENA Auto)
THEN RepD
THEN (InstHyp [⌈e⌉] (-1)⋅ THENA Auto)
THEN D (-1)
THEN Auto) }
Latex:
1. [Info] : Type
2. [A] : Type
3. [S] : Type
4. init : Id {}\mrightarrow{} bag(S)@i
5. f : A {}\mrightarrow{} S {}\mrightarrow{} S@i
6. X : EClass(A)@i'
7. es : EO+(Info)@i'
8. R : S {}\mrightarrow{} S {}\mrightarrow{} \mBbbP{}@i'
9. P : A {}\mrightarrow{} S {}\mrightarrow{} \mBbbP{}@i'
10. e1 : E@i
11. v1 : S@i
12. single-valued-classrel(es;X;A)@i
13. single-valued-bag(init loc(e1);S)@i
14. \mforall{}a:A. \mforall{}s:S. Dec(P[a;s])@i
15. Trans(S;x,y.R[x;y])@i
16. iterated-classrel(es;S;A;f;init;X;e1;v1)@i
17. e2 : E@i
18. \mforall{}e':E
((e' < e2)
{}\mRightarrow{} (\mforall{}a:A. \mforall{}e:E. \mforall{}s:S.
((e1 <loc e)
{}\mRightarrow{} e \mleq{}loc e'
{}\mRightarrow{} a \mmember{} X(e)
{}\mRightarrow{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
{}\mRightarrow{} ((P[a;s] {}\mRightarrow{} R[s;f a s]) \mwedge{} ((\mneg{}P[a;s]) {}\mRightarrow{} (s = (f a s))))))
{}\mRightarrow{} (e1 <loc e')
{}\mRightarrow{} (\mforall{}v2:S
(iterated-classrel(es;S;A;f;init;X;e';v2)
{}\mRightarrow{} (((\mexists{}e:E
\mexists{}s:S
((e1 <loc e)
\mwedge{} e \mleq{}loc e'
\mwedge{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
\mwedge{} (\mexists{}a:A. (a \mmember{} X(e) \mwedge{} P[a;s]))))
{}\mRightarrow{} R[v1;v2])
\mwedge{} ((\mforall{}e:E. \mforall{}s:S.
((e1 <loc e)
{}\mRightarrow{} e \mleq{}loc e'
{}\mRightarrow{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
{}\mRightarrow{} (\mforall{}a:A. ((\mneg{}a \mmember{} X(e)) \mvee{} (\mneg{}P[a;s])))))
{}\mRightarrow{} (v1 = v2))))))
19. \mforall{}a:A. \mforall{}e:E. \mforall{}s:S.
((e1 <loc e)
{}\mRightarrow{} e \mleq{}loc e2
{}\mRightarrow{} a \mmember{} X(e)
{}\mRightarrow{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
{}\mRightarrow{} ((P[a;s] {}\mRightarrow{} R[s;f a s]) \mwedge{} ((\mneg{}P[a;s]) {}\mRightarrow{} (s = (f a s)))))@i
20. (e1 <loc e2)@i
21. v2 : S@i
22. z : S@i
23. iterated-classrel(es;S;A;f;init;X;e1;z)
24. (\mforall{}a:A. (\mneg{}a \mmember{} X(e2))) \mwedge{} (v2 = z)@i
25. \mneg{}\muparrow{}first(e2)
26. e1 = pred(e2)
27. v1 = z
\mvdash{} ((\mexists{}e:E
\mexists{}s:S
((e1 <loc e)
\mwedge{} e \mleq{}loc e2
\mwedge{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
\mwedge{} (\mexists{}a:A. (a \mmember{} X(e) \mwedge{} P[a;s]))))
{}\mRightarrow{} R[v1;v2])
\mwedge{} ((\mforall{}e:E. \mforall{}s:S.
((e1 <loc e)
{}\mRightarrow{} e \mleq{}loc e2
{}\mRightarrow{} iterated-classrel(es;S;A;f;init;X;pred(e);s)
{}\mRightarrow{} (\mforall{}a:A. ((\mneg{}a \mmember{} X(e)) \mvee{} (\mneg{}P[a;s])))))
{}\mRightarrow{} (v1 = v2))
By
(D 0
THEN (UnivCD THENA Auto)
THEN Auto
THEN Assert \mkleeneopen{}False\mkleeneclose{}\mcdot{}
THEN Auto
THEN ExRepD
THEN D (-5)
THEN Auto
THEN (InstLemma `es-pred\_property` [\mkleeneopen{}es\mkleeneclose{};\mkleeneopen{}e2\mkleeneclose{}]\mcdot{} THENA Auto)
THEN RepD
THEN (InstHyp [\mkleeneopen{}e\mkleeneclose{}] (-1)\mcdot{} THENA Auto)
THEN D (-1)
THEN Auto)
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