Step
*
1
of Lemma
fseg_transitivity
1. [T] : Type
2. l1 : T List
3. l2 : T List
4. l3 : T List
5. L1 : T List
6. l2 = (L1 @ l1) ∈ (T List)
7. L : T List
8. l3 = (L @ l2) ∈ (T List)
⊢ ∃L@0:T List. ((L @ L1 @ l1) = (L@0 @ l1) ∈ (T List))
BY
{ (InstConcl [L @ L1]⋅ THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. l1 : T List
3. l2 : T List
4. l3 : T List
5. L1 : T List
6. l2 = (L1 @ l1)
7. L : T List
8. l3 = (L @ l2)
\mvdash{} \mexists{}L@0:T List. ((L @ L1 @ l1) = (L@0 @ l1))
By
Latex:
(InstConcl [L @ L1]\mcdot{} THEN Auto)
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