Step * of Lemma geo-extend-construction

e:EuclideanPlane. ∀q:Point. ∀a:{a:Point| q ≠ a} . ∀b,c:Point.  (∃x:{Point| (q_a_x ∧ ax ≅ bc)})
BY
(Auto THEN (InstLemma `Euclid-Prop2-ext` [⌜e⌝;⌜a⌝;⌜b⌝;⌜c⌝]⋅ THENA Auto) THEN -1) }

1
1. EuclideanPlane
2. Point
3. {a:Point| q ≠ a} 
4. Point
5. Point
6. Point
7. [%2] ax ≅ bc
⊢ ∃x:{Point| (q_a_x ∧ ax ≅ bc)}


Latex:


Latex:
\mforall{}e:EuclideanPlane.  \mforall{}q:Point.  \mforall{}a:\{a:Point|  q  \mneq{}  a\}  .  \mforall{}b,c:Point.    (\mexists{}x:\{Point|  (q\_a\_x  \mwedge{}  ax  \00D0  bc)\})


By


Latex:
(Auto  THEN  (InstLemma  `Euclid-Prop2-ext`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{}]\mcdot{}  THENA  Auto)  THEN  D  -1)




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