Step
*
1
of Lemma
eu-congruence-identity3
.....antecedent.....
1. e : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. d : Point
6. c = d ∈ Point
7. cd=ab
⊢ ab=cd
BY
{ EAuto 1 }
Latex:
Latex:
.....antecedent.....
1. e : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. d : Point
6. c = d
7. cd=ab
\mvdash{} ab=cd
By
Latex:
EAuto 1
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