Step
*
1
of Lemma
co-cons_wf
1. T : Type
2. x : T
3. L : colist(T)
4. <x, L> = <x, L> ∈ (T × colist(T))
⊢ (T × colist(T)) ⊆r colist(T)
BY
{ (BLemma `product_subtype_colist` THEN Auto) }
Latex:
Latex:
1. T : Type
2. x : T
3. L : colist(T)
4. <x, L> = <x, L>
\mvdash{} (T \mtimes{} colist(T)) \msubseteq{}r colist(T)
By
Latex:
(BLemma `product\_subtype\_colist` THEN Auto)
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