Step
*
1
1
1
1
of Lemma
bigger-int-property2
1. L : ℤ List
2. ¬↑null(L)
3. ||L|| ≥ 1
4. ∀[n:ℤ]. (n ≤ bigger-int(n;firstn(||L|| - 1;L)))
5. n : ℤ
6. v : ℤ
7. bigger-int(n;firstn(||L|| - 1;L)) = v ∈ ℤ
⊢ (n ≤ v)
⇒ (n ≤ bigger-int(v;[last(L)]))
BY
{ (RepUR ``bigger-int`` 0 THEN (RepeatFor 2 ((CallByValueReduce 0 THENA Auto)) THEN AutoSplit)) }
Latex:
Latex:
1. L : \mBbbZ{} List
2. \mneg{}\muparrow{}null(L)
3. ||L|| \mgeq{} 1
4. \mforall{}[n:\mBbbZ{}]. (n \mleq{} bigger-int(n;firstn(||L|| - 1;L)))
5. n : \mBbbZ{}
6. v : \mBbbZ{}
7. bigger-int(n;firstn(||L|| - 1;L)) = v
\mvdash{} (n \mleq{} v) {}\mRightarrow{} (n \mleq{} bigger-int(v;[last(L)]))
By
Latex:
(RepUR ``bigger-int`` 0 THEN (RepeatFor 2 ((CallByValueReduce 0 THENA Auto)) THEN AutoSplit))
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