Step * 1 of Lemma eu-le-null-segment


1. EuclideanPlane
2. [p] {p:Point| O_X_p} 
3. [a] Point
⊢ uiff(p ≤ X;p X ∈ {p:Point| O_X_p} )
BY
Auto }

1
1. EuclideanPlane
2. {p:Point| O_X_p} 
3. Point
4. p ≤ X
⊢ X ∈ {p:Point| O_X_p} 

2
1. EuclideanPlane
2. [p] {p:Point| O_X_p} 
3. [a] Point
4. X ∈ {p:Point| O_X_p} 
⊢ p ≤ X


Latex:


Latex:

1.  e  :  EuclideanPlane
2.  [p]  :  \{p:Point|  O\_X\_p\} 
3.  [a]  :  Point
\mvdash{}  uiff(p  \mleq{}  X;p  =  X)


By


Latex:
Auto




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