Step
*
3
of Lemma
es-pstar-q_functionality_wrt_implies
1. es : EO@i'
2. e1 : E@i
3. e2 : {e:E| loc(e) = loc(e1) ∈ Id} @i
4. [p] : {e:E| loc(e) = loc(e1) ∈ Id} ─→ {e:E| loc(e) = loc(e1) ∈ Id} ─→ ℙ
5. [q] : {e:E| loc(e) = loc(e1) ∈ Id} ─→ {e:E| loc(e) = loc(e1) ∈ Id} ─→ ℙ
6. [p'] : {e:E| loc(e) = loc(e1) ∈ Id} ─→ {e:E| loc(e) = loc(e1) ∈ Id} ─→ ℙ
7. [q'] : {e:E| loc(e) = loc(e1) ∈ Id} ─→ {e:E| loc(e) = loc(e1) ∈ Id} ─→ ℙ
8. ∀a,b:{e:E| loc(e) = loc(e1) ∈ Id} . ((a ∈ [e1, e2])
⇒ (b ∈ [e1, e2])
⇒ p[a;b]
⇒ p'[a;b])@i
9. ∀a,b:{e:E| loc(e) = loc(e1) ∈ Id} . ((a ∈ [e1, e2])
⇒ (b ∈ [e1, e2])
⇒ q[a;b]
⇒ q'[a;b])@i
10. [e1;e2]~([a,b].p[a;b])*[a,b].q[a;b] ∈ ℙ
11. [e1;e2]~([a,b].p'[a;b])*[a,b].q'[a;b] ∈ ℙ
12. m : ℕ+
13. f : ℕm ─→ {e:E| loc(e) = loc(e1) ∈ Id}
14. (f 0) = e1 ∈ E
15. f (m - 1) ≤loc e2
16. ∀i:ℕm - 1. (f i <loc f (i + 1))
17. ∀i:ℕm - 1. p[f i;pred(f (i + 1))]
18. q[f (m - 1);e2]
19. (f 0) = e1 ∈ E
20. f (m - 1) ≤loc e2
21. ∀i:ℕm - 1. (f i <loc f (i + 1))
22. ∀i:ℕm - 1. p'[f i;pred(f (i + 1))]
⊢ (f (m - 1) ∈ [e1, e2])
BY
{ (((((InstLemma `es-increasing-sequence2` [⌈es⌉; ⌈m⌉; ⌈f⌉])⋅ THENA Auto) THEN (InstHyp [⌈m - 1⌉; ⌈0⌉] (-1))⋅)
THENA Auto
)
THEN RWO "member-es-interval" 0
THEN Auto
THEN Try ((WeakSubstFor ⌈e1⌉ 0⋅ THEN Auto)))⋅ }
Latex:
1. es : EO@i'
2. e1 : E@i
3. e2 : \{e:E| loc(e) = loc(e1)\} @i
4. [p] : \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \mBbbP{}
5. [q] : \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \mBbbP{}
6. [p'] : \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \mBbbP{}
7. [q'] : \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \{e:E| loc(e) = loc(e1)\} {}\mrightarrow{} \mBbbP{}
8. \mforall{}a,b:\{e:E| loc(e) = loc(e1)\} . ((a \mmember{} [e1, e2]) {}\mRightarrow{} (b \mmember{} [e1, e2]) {}\mRightarrow{} p[a;b] {}\mRightarrow{} p'[a;b])@i
9. \mforall{}a,b:\{e:E| loc(e) = loc(e1)\} . ((a \mmember{} [e1, e2]) {}\mRightarrow{} (b \mmember{} [e1, e2]) {}\mRightarrow{} q[a;b] {}\mRightarrow{} q'[a;b])@i
10. [e1;e2]\msim{}([a,b].p[a;b])*[a,b].q[a;b] \mmember{} \mBbbP{}
11. [e1;e2]\msim{}([a,b].p'[a;b])*[a,b].q'[a;b] \mmember{} \mBbbP{}
12. m : \mBbbN{}\msupplus{}
13. f : \mBbbN{}m {}\mrightarrow{} \{e:E| loc(e) = loc(e1)\}
14. (f 0) = e1
15. f (m - 1) \mleq{}loc e2
16. \mforall{}i:\mBbbN{}m - 1. (f i <loc f (i + 1))
17. \mforall{}i:\mBbbN{}m - 1. p[f i;pred(f (i + 1))]
18. q[f (m - 1);e2]
19. (f 0) = e1
20. f (m - 1) \mleq{}loc e2
21. \mforall{}i:\mBbbN{}m - 1. (f i <loc f (i + 1))
22. \mforall{}i:\mBbbN{}m - 1. p'[f i;pred(f (i + 1))]
\mvdash{} (f (m - 1) \mmember{} [e1, e2])
By
(((((InstLemma `es-increasing-sequence2` [\mkleeneopen{}es\mkleeneclose{}; \mkleeneopen{}m\mkleeneclose{}; \mkleeneopen{}f\mkleeneclose{}])\mcdot{} THENA Auto)
THEN (InstHyp [\mkleeneopen{}m - 1\mkleeneclose{}; \mkleeneopen{}0\mkleeneclose{}] (-1))\mcdot{}
)
THENA Auto
)
THEN RWO "member-es-interval" 0
THEN Auto
THEN Try ((WeakSubstFor \mkleeneopen{}e1\mkleeneclose{} 0\mcdot{} THEN Auto)))\mcdot{}
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