---

Step * of Lemma geo-proper-extend-exists

∀e:BasicGeometry. ∀q,a,b,c:Point.  (q ≠ a ⇒ b ≠ c ⇒ (∃x:Point. (q-a-x ∧ ax ≅ bc)))
BY
{ (InstLemma `geo-extend-exists1` [] THEN RepeatFor 5 (ParallelLast') THEN Auto) }

---

Latex:

---

Latex:
\mforall{}e:BasicGeometry.  \mforall{}q,a,b,c:Point.    (q  \mneq{}  a  {}\mRightarrow{}  b  \mneq{}  c  {}\mRightarrow{}  (\mexists{}x:Point.  (q-a-x  \mwedge{}  ax  \00D0  bc)))


By

---

Latex:
(InstLemma  `geo-extend-exists1`  []  THEN  RepeatFor  5  (ParallelLast')  THEN  Auto)

---

Home Index