Step
*
1
of Lemma
firstn_all
1. u : Top
2. v : Top List
3. ∀[n:ℤ]. firstn(n;v) ~ v supposing ||v|| ≤ n
4. n : ℤ
5. ¬0 < n
6. (||v|| + 1) ≤ n
⊢ [] ~ [u / v]
BY
{ Auto' }
Latex:
Latex:
1. u : Top
2. v : Top List
3. \mforall{}[n:\mBbbZ{}]. firstn(n;v) \msim{} v supposing ||v|| \mleq{} n
4. n : \mBbbZ{}
5. \mneg{}0 < n
6. (||v|| + 1) \mleq{} n
\mvdash{} [] \msim{} [u / v]
By
Latex:
Auto'
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