---

Step * 2 1 1 1 1 2 1 1 of Lemma eu-add-length-between-iff


1. e : EuclideanPlane
2. a : Point
3. b : Point
4. |aa| = |ab| + |ba| ∈ {p:Point| O_X_p} 
5. |ab| = |aa| ∈ {p:Point| O_X_p} 
⊢ b = a ∈ Point
BY
{ (FLemma `eu-congruent-iff-length` [-1] THEN Auto) }

---

Latex:

---

Latex:

1.  e  :  EuclideanPlane
2.  a  :  Point
3.  b  :  Point
4.  |aa|  =  |ab|  +  |ba|
5.  |ab|  =  |aa|
\mvdash{}  b  =  a


By

---

Latex:
(FLemma  `eu-congruent-iff-length`  [-1]  THEN  Auto)

---

Home Index