---

Step * of Lemma super-fact_wf

∀[n:ℕ]. ((n)!! ∈ ℕ+)
BY
{ ProveWfLemma }

---

Latex:

---

Latex:
\mforall{}[n:\mBbbN{}].  ((n)!!  \mmember{}  \mBbbN{}\msupplus{})


By

---

Latex:
ProveWfLemma

---

Home Index