Step
*
1
1
1
1
1
1
1
of Lemma
strong-continuity2-implies-3
1. T : Type
2. F : (ℕ ⟶ T) ⟶ ℕ
3. M : n:ℕ ⟶ (ℕn ⟶ T) ⟶ (ℕ?)
4. f : ℕ ⟶ T
5. n : ℕ
6. (M n f) = (inl (F f)) ∈ (ℕ?)
7. ∀n:ℕ. (M n f) = (inl (F f)) ∈ (ℕ?) supposing ↑isl(M n f)
8. ↑isl(strong-continuity-test(M;n;f;M n f))
9. ↑isl(M n f)
10. ∀i:ℕ. (i < n
⇒ (↑isr(M i f)))
11. strong-continuity-test(M;n;f;M n f) = (M n f) ∈ (ℕ?)
12. strong-continuity-test(M;n;f;M n f) = (inl (F f)) ∈ (ℕ?)
13. m : ℕ
14. ↑isl(M m f)
15. ↑isl(M m f)
16. ∀i:ℕ. (i < m
⇒ (↑isr(M i f)))
17. strong-continuity-test(M;m;f;M m f) = (M m f) ∈ (ℕ?)
18. m < n
⊢ m = n ∈ ℕ
BY
{ (InstHyp [⌜m⌝] (-9)⋅ THEN Auto) }
1
1. T : Type
2. F : (ℕ ⟶ T) ⟶ ℕ
3. M : n:ℕ ⟶ (ℕn ⟶ T) ⟶ (ℕ?)
4. f : ℕ ⟶ T
5. n : ℕ
6. (M n f) = (inl (F f)) ∈ (ℕ?)
7. ∀n:ℕ. (M n f) = (inl (F f)) ∈ (ℕ?) supposing ↑isl(M n f)
8. ↑isl(strong-continuity-test(M;n;f;M n f))
9. ↑isl(M n f)
10. ∀i:ℕ. (i < n
⇒ (↑isr(M i f)))
11. strong-continuity-test(M;n;f;M n f) = (M n f) ∈ (ℕ?)
12. strong-continuity-test(M;n;f;M n f) = (inl (F f)) ∈ (ℕ?)
13. m : ℕ
14. ↑isl(M m f)
15. ↑isl(M m f)
16. ∀i:ℕ. (i < m
⇒ (↑isr(M i f)))
17. strong-continuity-test(M;m;f;M m f) = (M m f) ∈ (ℕ?)
18. m < n
19. ↑isr(M m f)
⊢ m = n ∈ ℕ
Latex:
Latex:
1. T : Type
2. F : (\mBbbN{} {}\mrightarrow{} T) {}\mrightarrow{} \mBbbN{}
3. M : n:\mBbbN{} {}\mrightarrow{} (\mBbbN{}n {}\mrightarrow{} T) {}\mrightarrow{} (\mBbbN{}?)
4. f : \mBbbN{} {}\mrightarrow{} T
5. n : \mBbbN{}
6. (M n f) = (inl (F f))
7. \mforall{}n:\mBbbN{}. (M n f) = (inl (F f)) supposing \muparrow{}isl(M n f)
8. \muparrow{}isl(strong-continuity-test(M;n;f;M n f))
9. \muparrow{}isl(M n f)
10. \mforall{}i:\mBbbN{}. (i < n {}\mRightarrow{} (\muparrow{}isr(M i f)))
11. strong-continuity-test(M;n;f;M n f) = (M n f)
12. strong-continuity-test(M;n;f;M n f) = (inl (F f))
13. m : \mBbbN{}
14. \muparrow{}isl(M m f)
15. \muparrow{}isl(M m f)
16. \mforall{}i:\mBbbN{}. (i < m {}\mRightarrow{} (\muparrow{}isr(M i f)))
17. strong-continuity-test(M;m;f;M m f) = (M m f)
18. m < n
\mvdash{} m = n
By
Latex:
(InstHyp [\mkleeneopen{}m\mkleeneclose{}] (-9)\mcdot{} THEN Auto)
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