Step * 1 1 1 2 1 of Lemma geo-not-gt-to-ge


1. EuclideanPlane
2. Point
3. Point
4. Point
5. Point
6. ¬xy > ef
7. |ef| ≤ |xy|
8. |xy| < |ef|
⊢ ef ≥ xy
BY
((InstLemma `geo-lt-implies-gt` [⌜g⌝;⌜e⌝;⌜f⌝;⌜x⌝;⌜y⌝]⋅ THEN Auto) THEN StableCases ⌜ef > xy⌝⋅ THEN EAuto 2) }


Latex:


Latex:

1.  g  :  EuclideanPlane
2.  x  :  Point
3.  y  :  Point
4.  e  :  Point
5.  f  :  Point
6.  \mneg{}xy  >  ef
7.  |ef|  \mleq{}  |xy|
8.  |xy|  <  |ef|
\mvdash{}  ef  \mgeq{}  xy


By


Latex:
((InstLemma  `geo-lt-implies-gt`  [\mkleeneopen{}g\mkleeneclose{};\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}f\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{}]\mcdot{}  THEN  Auto)
  THEN  StableCases  \mkleeneopen{}ef  >  xy\mkleeneclose{}\mcdot{}
  THEN  EAuto  2)




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