Step
*
1
2
2
2
1
of Lemma
strong-continuity-test-prop1
1. T : Type
2. M : n:ℕ ⟶ (ℕn ⟶ T) ⟶ (ℕ?)
3. b : ℕ?
4. n : ℤ
5. 0 < n
6. ∀f:ℕn - 1 ⟶ T
((↑isl(strong-continuity-test(M;n - 1;f;b)))
⇒ ((↑isl(b)) ∧ (∀i:ℕ. (i < n - 1
⇒ (↑isr(M i f)))) ∧ (strong-continuity-test(M;n - 1;f;b) = b ∈ (ℕ?))))
7. f : ℕn ⟶ T
8. ↑isl(strong-continuity-test(M;n - 1;f;b))
9. ¬(n = 0 ∈ ℤ)
10. ¬↑isl(M (n - 1) f)
11. ↑isl(b)
12. ∀i:ℕ. (i < n
⇒ (↑isr(M i f)))
13. ↑isl(b)
14. ∀i:ℕ. (i < n - 1
⇒ (↑isr(M i f)))
15. strong-continuity-test(M;n - 1;f;b) = b ∈ (ℕ?)
⊢ strong-continuity-test(M;n;f;b) = b ∈ (ℕ?)
BY
{ xxx((RWO "strong-continuity-test-unroll" 0 THENA Auto) THEN AutoSplit)xxx }
Latex:
Latex:
1. T : Type
2. M : n:\mBbbN{} {}\mrightarrow{} (\mBbbN{}n {}\mrightarrow{} T) {}\mrightarrow{} (\mBbbN{}?)
3. b : \mBbbN{}?
4. n : \mBbbZ{}
5. 0 < n
6. \mforall{}f:\mBbbN{}n - 1 {}\mrightarrow{} T
((\muparrow{}isl(strong-continuity-test(M;n - 1;f;b)))
{}\mRightarrow{} ((\muparrow{}isl(b))
\mwedge{} (\mforall{}i:\mBbbN{}. (i < n - 1 {}\mRightarrow{} (\muparrow{}isr(M i f))))
\mwedge{} (strong-continuity-test(M;n - 1;f;b) = b)))
7. f : \mBbbN{}n {}\mrightarrow{} T
8. \muparrow{}isl(strong-continuity-test(M;n - 1;f;b))
9. \mneg{}(n = 0)
10. \mneg{}\muparrow{}isl(M (n - 1) f)
11. \muparrow{}isl(b)
12. \mforall{}i:\mBbbN{}. (i < n {}\mRightarrow{} (\muparrow{}isr(M i f)))
13. \muparrow{}isl(b)
14. \mforall{}i:\mBbbN{}. (i < n - 1 {}\mRightarrow{} (\muparrow{}isr(M i f)))
15. strong-continuity-test(M;n - 1;f;b) = b
\mvdash{} strong-continuity-test(M;n;f;b) = b
By
Latex:
xxx((RWO "strong-continuity-test-unroll" 0 THENA Auto) THEN AutoSplit)xxx
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