Step * 1 of Lemma hp-angle-sum-eq-straight-angle2

.....antecedent..... 
1. EuclideanPlane
2. Point
3. Point
4. Point
5. Point
6. Point
7. Point
8. a' Point
9. b' Point
10. c' Point
11. x' Point
12. y' Point
13. z' Point
14. Point
15. Point
16. Point
17. i' Point
18. j' Point
19. k' Point
20. abc xyz ≅ ijk
21. a'b'c' x'y'z' ≅ i'j'k'
22. abc ≅a a'b'c'
23. xyz ≅a x'y'z'
24. i-j-k
⊢ abc xyz ≅ i'j'k'
BY
((InstLemma   `hp-angle-sum-subst2` [⌜e⌝;⌜a'⌝;⌜b'⌝;⌜c'⌝;⌜x'⌝;⌜y'⌝;⌜z'⌝;⌜i'⌝;⌜j'⌝;⌜k'⌝;⌜a⌝;⌜b⌝;⌜c⌝]⋅ THENA EAuto 1)
   THEN InstLemma   `hp-angle-sum-subst1` [⌜e⌝;⌜a⌝;⌜b⌝;⌜c⌝;⌜x'⌝;⌜y'⌝;⌜z'⌝;⌜i'⌝;⌜j'⌝;⌜k'⌝;⌜x⌝;⌜y⌝;⌜z⌝]⋅
   THEN EAuto 1) }


Latex:


Latex:
.....antecedent..... 
1.  e  :  EuclideanPlane
2.  a  :  Point
3.  b  :  Point
4.  c  :  Point
5.  x  :  Point
6.  y  :  Point
7.  z  :  Point
8.  a'  :  Point
9.  b'  :  Point
10.  c'  :  Point
11.  x'  :  Point
12.  y'  :  Point
13.  z'  :  Point
14.  i  :  Point
15.  j  :  Point
16.  k  :  Point
17.  i'  :  Point
18.  j'  :  Point
19.  k'  :  Point
20.  abc  +  xyz  \mcong{}  ijk
21.  a'b'c'  +  x'y'z'  \mcong{}  i'j'k'
22.  abc  \mcong{}\msuba{}  a'b'c'
23.  xyz  \mcong{}\msuba{}  x'y'z'
24.  i-j-k
\mvdash{}  abc  +  xyz  \mcong{}  i'j'k'


By


Latex:
((InstLemma      `hp-angle-sum-subst2`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a'\mkleeneclose{};\mkleeneopen{}b'\mkleeneclose{};\mkleeneopen{}c'\mkleeneclose{};\mkleeneopen{}x'\mkleeneclose{};\mkleeneopen{}y'\mkleeneclose{};\mkleeneopen{}z'\mkleeneclose{};\mkleeneopen{}i'\mkleeneclose{};\mkleeneopen{}j'\mkleeneclose{};\mkleeneopen{}k'\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{}]\mcdot{}
    THENA  EAuto  1
    )
  THEN  InstLemma      `hp-angle-sum-subst1`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{};\mkleeneopen{}x'\mkleeneclose{};\mkleeneopen{}y'\mkleeneclose{};\mkleeneopen{}z'\mkleeneclose{};\mkleeneopen{}i'\mkleeneclose{};\mkleeneopen{}j'\mkleeneclose{};\mkleeneopen{}k'\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{}]\mcdot{}
  THEN  EAuto  1)




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