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Step * of Lemma pgeo-non-trivial-dual

∀g:ProjectivePlane. (∃l:Line [l ≡ l])
BY
{ (((Auto THEN (InstLemma `pgeo-non-trivial` [⌜g⌝]⋅ THENA Auto)) THEN ExRepD)
   THEN (InstLemma `pgeo-three-lines-axiom` [⌜g⌝;⌜p⌝]⋅ THEN Auto)
   THEN ParallelLast
   THEN Auto) }

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Latex:

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Latex:
\mforall{}g:ProjectivePlane.  (\mexists{}l:Line  [l  \mequiv{}  l])


By

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Latex:
(((Auto  THEN  (InstLemma  `pgeo-non-trivial`  [\mkleeneopen{}g\mkleeneclose{}]\mcdot{}  THENA  Auto))  THEN  ExRepD)
  THEN  (InstLemma  `pgeo-three-lines-axiom`  [\mkleeneopen{}g\mkleeneclose{};\mkleeneopen{}p\mkleeneclose{}]\mcdot{}  THEN  Auto)
  THEN  ParallelLast
  THEN  Auto)

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