Step * 1 1 1 1 1 1 1 1 1 of Lemma eu-between-eq-same-side


1. EuclideanPlane
2. {p:Point| O_X_p} 
3. v1 {p:Point| O_X_p} 
4. v2 {p:Point| O_X_p} 
⊢ v1 v2 v2 v1 v ∈ {p:Point| O_X_p} 
BY
((RW  (AddrC [3;3] (LemmaC `eu-add-length-comm`)) THENA Auto)
   THEN (RW  (AddrC [3] (LemmaC `eu-add-length-comm`)) THENA Auto)
   }

1
1. EuclideanPlane
2. {p:Point| O_X_p} 
3. v1 {p:Point| O_X_p} 
4. v2 {p:Point| O_X_p} 
⊢ v1 v2 v1 v2 ∈ {p:Point| O_X_p} 


Latex:


Latex:

1.  e  :  EuclideanPlane
2.  v  :  \{p:Point|  O\_X\_p\} 
3.  v1  :  \{p:Point|  O\_X\_p\} 
4.  v2  :  \{p:Point|  O\_X\_p\} 
\mvdash{}  v  +  v1  +  v2  =  v2  +  v1  +  v


By


Latex:
((RW    (AddrC  [3;3]  (LemmaC  `eu-add-length-comm`))  0  THENA  Auto)
  THEN  (RW    (AddrC  [3]  (LemmaC  `eu-add-length-comm`))  0  THENA  Auto)
  )




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