Step
*
1
1
1
of Lemma
right-angle-legs-same
1. e : BasicGeometry
2. a : Point
3. b : Point
4. ∀c':Point. (c'=a=b
⇒ bb ≅ bc')
5. a ≠ b
6. b' : Point
7. b=a=b'
8. b'=a=b
9. bb ≅ bb'
⊢ a ≡ b
BY
{ (gEliminatePoints THEN Auto) }
Latex:
Latex:
1. e : BasicGeometry
2. a : Point
3. b : Point
4. \mforall{}c':Point. (c'=a=b {}\mRightarrow{} bb \mcong{} bc')
5. a \mneq{} b
6. b' : Point
7. b=a=b'
8. b'=a=b
9. bb \mcong{} bb'
\mvdash{} a \mequiv{} b
By
Latex:
(gEliminatePoints THEN Auto)
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