Step
*
2
1
1
of Lemma
llex-append1
1. [A] : Type
2. [<] : A ⟶ A ⟶ ℙ
3. L1 : A List
4. L2 : A List
5. a : A
6. i : ℕ
7. i < ||L1||
8. i < ||L2 @ [a]||
9. ∀j:ℕi. (L1[j] = L2 @ [a][j] ∈ A)
10. <[L1[i];L2 @ [a][i]]
11. i < ||L2||
⊢ L1 llex(A;a,b.<[a;b]) L2
BY
{ (RWO "select_append_front" (-2) THENA Auto) }
1
1. [A] : Type
2. [<] : A ⟶ A ⟶ ℙ
3. L1 : A List
4. L2 : A List
5. a : A
6. i : ℕ
7. i < ||L1||
8. i < ||L2 @ [a]||
9. ∀j:ℕi. (L1[j] = L2 @ [a][j] ∈ A)
10. <[L1[i];L2[i]]
11. i < ||L2||
⊢ L1 llex(A;a,b.<[a;b]) L2
Latex:
Latex:
1. [A] : Type
2. [<] : A {}\mrightarrow{} A {}\mrightarrow{} \mBbbP{}
3. L1 : A List
4. L2 : A List
5. a : A
6. i : \mBbbN{}
7. i < ||L1||
8. i < ||L2 @ [a]||
9. \mforall{}j:\mBbbN{}i. (L1[j] = L2 @ [a][j])
10. <[L1[i];L2 @ [a][i]]
11. i < ||L2||
\mvdash{} L1 llex(A;a,b.<[a;b]) L2
By
Latex:
(RWO "select\_append\_front" (-2) THENA Auto)
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