---

Step * 2 of Lemma urec_subtype


1. F : Type ⟶ Type
2. Monotone(T.F[T])
⊢ ⋃n:ℕ.(F (F^n Void)) ⊆r (F urec(F))
BY
{ TACTIC:(FLemma `type-monotone-union-continuous` [-1] THENA Auto) }

1
1. F : Type ⟶ Type
2. Monotone(T.F[T])
3. union-continuous{i:l}(T.F[T])
⊢ ⋃n:ℕ.(F (F^n Void)) ⊆r (F urec(F))

---

Latex:

---

Latex:

1.  F  :  Type  {}\mrightarrow{}  Type
2.  Monotone(T.F[T])
\mvdash{}  \mcup{}n:\mBbbN{}.(F  (F\^{}n  Void))  \msubseteq{}r  (F  urec(F))


By

---

Latex:
TACTIC:(FLemma  `type-monotone-union-continuous`  [-1]  THENA  Auto)

---

Home Index