Step
*
1
of Lemma
eu-add-length-between-iff
1. e : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. a_b_c
⊢ |ac| = |ab| + |bc| ∈ {p:Point| O_X_p}
BY
{ EAuto 1 }
Latex:
Latex:
1. e : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. a\_b\_c
\mvdash{} |ac| = |ab| + |bc|
By
Latex:
EAuto 1
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