Step
*
1
of Lemma
increasing-sequence-prop1
1. n : ℕ
2. k : ℕ
3. a : ℕ ⟶ ℕ
4. increasing-sequence(a)
5. n ≤ (n + k)
⊢ (a n) ≤ (a (n + k))
BY
{ (Thin (-1)⋅ THEN NatInd 2 THEN Auto) }
1
.....upcase.....
1. n : ℕ
2. a : ℕ ⟶ ℕ
3. increasing-sequence(a)
4. k : ℤ
5. 0 < k
6. (a n) ≤ (a (n + (k - 1)))
⊢ (a n) ≤ (a (n + k))
Latex:
Latex:
1. n : \mBbbN{}
2. k : \mBbbN{}
3. a : \mBbbN{} {}\mrightarrow{} \mBbbN{}
4. increasing-sequence(a)
5. n \mleq{} (n + k)
\mvdash{} (a n) \mleq{} (a (n + k))
By
Latex:
(Thin (-1)\mcdot{} THEN NatInd 2 THEN Auto)
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