Step
*
2
of Lemma
implies-strictly-increasing-seq
1. n : ℕ
2. s : ℕn ⟶ ℤ
3. ∀i:ℕn - 1. s i < s (i + 1)
4. ∀d:ℕ. ∀j:ℕn. ∀i:ℕj. (((j - i) ≤ d)
⇒ s i < s j)
⊢ ∀j:ℕn. ∀i:ℕj. s i < s j
BY
{ (Auto THEN InstHyp [⌜j - i⌝;⌜j⌝;⌜i⌝] (-3)⋅ THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. s : \mBbbN{}n {}\mrightarrow{} \mBbbZ{}
3. \mforall{}i:\mBbbN{}n - 1. s i < s (i + 1)
4. \mforall{}d:\mBbbN{}. \mforall{}j:\mBbbN{}n. \mforall{}i:\mBbbN{}j. (((j - i) \mleq{} d) {}\mRightarrow{} s i < s j)
\mvdash{} \mforall{}j:\mBbbN{}n. \mforall{}i:\mBbbN{}j. s i < s j
By
Latex:
(Auto THEN InstHyp [\mkleeneopen{}j - i\mkleeneclose{};\mkleeneopen{}j\mkleeneclose{};\mkleeneopen{}i\mkleeneclose{}] (-3)\mcdot{} THEN Auto)
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