Step
*
1
of Lemma
length-if-co-list-sq
.....assertion.....
1. T : Type
2. t : colist(T)
3. n : ℕ
4. ||t|| ∈ partial(ℤ)
5. ||t|| = n ∈ partial(ℤ)
⊢ ||t|| = n ∈ ℤ
BY
{ (Symmetry THEN BLemma `termination-equality` THEN Auto) }
Latex:
Latex:
.....assertion.....
1. T : Type
2. t : colist(T)
3. n : \mBbbN{}
4. ||t|| \mmember{} partial(\mBbbZ{})
5. ||t|| = n
\mvdash{} ||t|| = n
By
Latex:
(Symmetry THEN BLemma `termination-equality` THEN Auto)
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