Step
*
1
2
2
of Lemma
uniform-continuity-pi-dec
1. T : Type
2. F : (ℕ ⟶ 𝔹) ⟶ T
3. ∀x,y:T. Dec(x = y ∈ T)
4. ∀n:ℕ. (ucA(T;F;n + 1)
⇒ Dec(ucA(T;F;n)))
5. n : ℤ
6. [%5] : 0 < n
7. ucA(T;F;n - 1)
⇒ (∀m:ℕ. (m < n - 1
⇒ Dec(ucA(T;F;m))))
8. ucA(T;F;n)
9. m : ℕ
10. m < n
⊢ Dec(ucA(T;F;m))
BY
{ TACTIC:((InstHyp [⌜n - 1⌝] (-7)⋅ THENA Auto) THEN D (-1)) }
1
1. T : Type
2. F : (ℕ ⟶ 𝔹) ⟶ T
3. ∀x,y:T. Dec(x = y ∈ T)
4. ∀n:ℕ. (ucA(T;F;n + 1)
⇒ Dec(ucA(T;F;n)))
5. n : ℤ
6. [%5] : 0 < n
7. ucA(T;F;n - 1)
⇒ (∀m:ℕ. (m < n - 1
⇒ Dec(ucA(T;F;m))))
8. ucA(T;F;n)
9. m : ℕ
10. m < n
11. ucA(T;F;n - 1)
⊢ Dec(ucA(T;F;m))
2
1. T : Type
2. F : (ℕ ⟶ 𝔹) ⟶ T
3. ∀x,y:T. Dec(x = y ∈ T)
4. ∀n:ℕ. (ucA(T;F;n + 1)
⇒ Dec(ucA(T;F;n)))
5. n : ℤ
6. [%5] : 0 < n
7. ucA(T;F;n - 1)
⇒ (∀m:ℕ. (m < n - 1
⇒ Dec(ucA(T;F;m))))
8. ucA(T;F;n)
9. m : ℕ
10. m < n
11. ¬ucA(T;F;n - 1)
⊢ Dec(ucA(T;F;m))
Latex:
Latex:
1. T : Type
2. F : (\mBbbN{} {}\mrightarrow{} \mBbbB{}) {}\mrightarrow{} T
3. \mforall{}x,y:T. Dec(x = y)
4. \mforall{}n:\mBbbN{}. (ucA(T;F;n + 1) {}\mRightarrow{} Dec(ucA(T;F;n)))
5. n : \mBbbZ{}
6. [\%5] : 0 < n
7. ucA(T;F;n - 1) {}\mRightarrow{} (\mforall{}m:\mBbbN{}. (m < n - 1 {}\mRightarrow{} Dec(ucA(T;F;m))))
8. ucA(T;F;n)
9. m : \mBbbN{}
10. m < n
\mvdash{} Dec(ucA(T;F;m))
By
Latex:
TACTIC:((InstHyp [\mkleeneopen{}n - 1\mkleeneclose{}] (-7)\mcdot{} THENA Auto) THEN D (-1))
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