---

Step * of Lemma line-det_wf

∀[a,b,c,d:ℝ^2].  (line-det(a;b;c;d) ∈ ℝ)
BY
{ ProveWfLemma }

---

Latex:

---

Latex:
\mforall{}[a,b,c,d:\mBbbR{}\^{}2].    (line-det(a;b;c;d)  \mmember{}  \mBbbR{})


By

---

Latex:
ProveWfLemma

---

Home Index