Step
*
3
1
1
of Lemma
geo-colinear-cong-tri-exists
1. e : BasicGeometry
2. a : Point
3. b : Point
4. c : Point
5. a' : Point
6. c' : Point
7. Colinear(a;b;c)
8. ac ≅ a'c'
9. b-c-a
10. c' # c
11. x : Point
12. B(a'c'x) ∧ c'x ≅ cb
⊢ ∃b':Point. (Cong3(abc,a'b'c') ∧ Colinear(a';b';c'))
BY
{ ((D 0 With ⌜x⌝ THEN Auto) THEN D 0 THEN Auto) }
Latex:
Latex:
1. e : BasicGeometry
2. a : Point
3. b : Point
4. c : Point
5. a' : Point
6. c' : Point
7. Colinear(a;b;c)
8. ac \mcong{} a'c'
9. b-c-a
10. c' \# c
11. x : Point
12. B(a'c'x) \mwedge{} c'x \mcong{} cb
\mvdash{} \mexists{}b':Point. (Cong3(abc,a'b'c') \mwedge{} Colinear(a';b';c'))
By
Latex:
((D 0 With \mkleeneopen{}x\mkleeneclose{} THEN Auto) THEN D 0 THEN Auto)
Home
Index