Step
*
1
1
of Lemma
partition-split-cons-mesh
1. [I] : Interval
2. [%] : icompact(I)
3. [a] : ℝ
4. [bs] : ℝ List
5. partitions(I;[a / bs])
6. partitions([left-endpoint(I), a];[])
7. partitions([a, right-endpoint(I)];bs)
8. partitions([left-endpoint(I), a];[])
9. partitions([a, right-endpoint(I)];bs)
10. left-endpoint(I) ≤ a
11. sorted-by(λx,y. (x ≤ y);[a / bs])
⊢ a ≤ right-endpoint(I)
BY
{ (UseTrans ⌜last([a / bs])⌝⋅ THEN Auto) }
1
.....antecedent.....
1. I : Interval
2. icompact(I)
3. a : ℝ
4. bs : ℝ List
5. partitions(I;[a / bs])
6. partitions([left-endpoint(I), a];[])
7. partitions([a, right-endpoint(I)];bs)
8. partitions([left-endpoint(I), a];[])
9. partitions([a, right-endpoint(I)];bs)
10. left-endpoint(I) ≤ a
11. sorted-by(λx,y. (x ≤ y);[a / bs])
⊢ a ≤ last([a / bs])
Latex:
Latex:
1. [I] : Interval
2. [\%] : icompact(I)
3. [a] : \mBbbR{}
4. [bs] : \mBbbR{} List
5. partitions(I;[a / bs])
6. partitions([left-endpoint(I), a];[])
7. partitions([a, right-endpoint(I)];bs)
8. partitions([left-endpoint(I), a];[])
9. partitions([a, right-endpoint(I)];bs)
10. left-endpoint(I) \mleq{} a
11. sorted-by(\mlambda{}x,y. (x \mleq{} y);[a / bs])
\mvdash{} a \mleq{} right-endpoint(I)
By
Latex:
(UseTrans \mkleeneopen{}last([a / bs])\mkleeneclose{}\mcdot{} THEN Auto)
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