Step
*
1
of Lemma
iseg_map
1. [A] : Type
2. [B] : Type
3. f : A ⟶ B
4. L1 : A List
5. L2 : A List
6. l : A List
7. L2 = (L1 @ l) ∈ (A List)
⊢ ∃l@0:B List. (map(f;L1 @ l) = (map(f;L1) @ l@0) ∈ (B List))
BY
{ ((RW MapAppendC 0 THEN InstConcl [map(f;l)]) THEN Auto) }
Latex:
Latex:
1. [A] : Type
2. [B] : Type
3. f : A {}\mrightarrow{} B
4. L1 : A List
5. L2 : A List
6. l : A List
7. L2 = (L1 @ l)
\mvdash{} \mexists{}l@0:B List. (map(f;L1 @ l) = (map(f;L1) @ l@0))
By
Latex:
((RW MapAppendC 0 THEN InstConcl [map(f;l)]) THEN Auto)
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