---

Step * of Lemma subtype_rel_union_left

∀[A,B:Type].  (A ⊆r (A ⋃ B))
BY
{ Auto }

---

Latex:

---

Latex:
\mforall{}[A,B:Type].    (A  \msubseteq{}r  (A  \mcup{}  B))


By

---

Latex:
Auto

---

Home Index