Step * 1 of Lemma seg-midpoints-equal


1. BasicGeometry
2. Point
3. Point
4. Point
5. Point
6. P=A=X
7. Q=A=X
⊢ P ≡ Q
BY
((InstLemma `geo-midpoint-symmetry` [⌜e⌝;⌜A⌝;⌜P⌝;⌜X⌝]⋅ THENA Auto)
   THEN (InstLemma `geo-midpoint-symmetry` [⌜e⌝;⌜A⌝;⌜Q⌝;⌜X⌝]⋅ THENA Auto)
   }

1
1. BasicGeometry
2. Point
3. Point
4. Point
5. Point
6. P=A=X
7. Q=A=X
8. X=A=P
9. X=A=Q
⊢ P ≡ Q


Latex:


Latex:

1.  e  :  BasicGeometry
2.  P  :  Point
3.  Q  :  Point
4.  A  :  Point
5.  X  :  Point
6.  P=A=X
7.  Q=A=X
\mvdash{}  P  \mequiv{}  Q


By


Latex:
((InstLemma  `geo-midpoint-symmetry`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}A\mkleeneclose{};\mkleeneopen{}P\mkleeneclose{};\mkleeneopen{}X\mkleeneclose{}]\mcdot{}  THENA  Auto)
  THEN  (InstLemma  `geo-midpoint-symmetry`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}A\mkleeneclose{};\mkleeneopen{}Q\mkleeneclose{};\mkleeneopen{}X\mkleeneclose{}]\mcdot{}  THENA  Auto)
  )




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