Step
*
2
of Lemma
word-equiv-equiv
1. [X] : Type
2. a : (X + X) List
3. b : (X + X) List
4. word-equiv(X;a;b)
⊢ word-equiv(X;b;a)
BY
{ (RepeatFor 2 (ParallelLast) THEN Auto) }
Latex:
Latex:
1. [X] : Type
2. a : (X + X) List
3. b : (X + X) List
4. word-equiv(X;a;b)
\mvdash{} word-equiv(X;b;a)
By
Latex:
(RepeatFor 2 (ParallelLast) THEN Auto)
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