Step * 1 of Lemma cong-angle-out-exists-aux3


1. HeytingGeometry
2. Point
3. Point
4. Point
5. Point
6. Point
7. Point
8. a' Point
9. c' Point
10. x' Point
11. z' Point
12. Cong3(a'bc',x'yz')
13. a'c'
14. x'z'
15. out(b a'a)
16. out(b c'c)
17. out(y x'x)
18. out(y z'z)
⊢ abc ≅a xyz
BY
(((Assert a'c' ≅ x'z' ∧ ba' ≅ yx' BY
           (D 12 THEN Auto))
    THEN ((Assert bc BY InstLemma `geo-out-triangle` [⌜e⌝;⌜a'⌝;⌜b⌝;⌜c'⌝;⌜a⌝;⌜c⌝]⋅THEN Auto)
    THEN (Assert yz BY
                InstLemma `geo-out-triangle` [⌜e⌝;⌜x'⌝;⌜y⌝;⌜z'⌝;⌜x⌝;⌜z⌝]⋅)
    THEN Auto)
   THEN InstLemma `cong-angle-out-aux2` [⌜e⌝;⌜a⌝;⌜b⌝;⌜c⌝;⌜x⌝;⌜y⌝;⌜z⌝;⌜a'⌝;⌜c'⌝;⌜x'⌝;⌜z'⌝]⋅
   THEN Auto) }


Latex:


Latex:

1.  e  :  HeytingGeometry
2.  a  :  Point
3.  b  :  Point
4.  c  :  Point
5.  x  :  Point
6.  y  :  Point
7.  z  :  Point
8.  a'  :  Point
9.  c'  :  Point
10.  x'  :  Point
11.  z'  :  Point
12.  Cong3(a'bc',x'yz')
13.  b  \#  a'c'
14.  y  \#  x'z'
15.  out(b  a'a)
16.  out(b  c'c)
17.  out(y  x'x)
18.  out(y  z'z)
\mvdash{}  abc  \00D0\msuba{}  xyz


By


Latex:
(((Assert  a'c'  \00D0  x'z'  \mwedge{}  ba'  \00D0  yx'  BY
                  (D  12  THEN  Auto))
    THEN  ((Assert  a  \#  bc  BY  InstLemma  `geo-out-triangle`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a'\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c'\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{}]\mcdot{})  THEN  Auto)
    THEN  (Assert  x  \#  yz  BY
                            InstLemma  `geo-out-triangle`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}x'\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z'\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{}]\mcdot{})
    THEN  Auto)
  THEN  InstLemma  `cong-angle-out-aux2`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{};\mkleeneopen{}a'\mkleeneclose{};\mkleeneopen{}c'\mkleeneclose{};\mkleeneopen{}x'\mkleeneclose{};\mkleeneopen{}z'\mkleeneclose{}]\mcdot{}
  THEN  Auto)




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