韦恩图逻辑演示 by Cristina Masotta

GeoGebra 命令及参数

1. Point(xAxis) → E
2. Circle(E, 3) → e
3. Point(xAxis) → F
4. Circle(F, 3) → f
5. Intersect(e, f) → G, H, ,
6. CircleArc(F, G, H) → g
7. CircleArc(E, H, G) → h
8. Circle(F, 3) → k
9. Circle(E, 3) → p
10. Point(e) → A
11. Point(f) → R
12. CircumcircleArc(G, A, H) → s
13. CircleArc(F, G, H) → t
14. CircumcircleArc(G, R, H) → e_1
15. CircleArc(E, H, G) → f_1
16. Polygon(I, L, K, J) → poly4, i_1, l_1, k_1, j_1
17. Circle(F, 2.95) → g_1
18. Circle(E, 2.95) → h_1
19. CircleArc(F, G, H) → q_1
20. CircleArc(E, H, G) → r_1