Figure CabriII vers. MacOS 1.1.5 Window center x: 1.76_ y: -3.2 1: Pt, 0, CN:0, VN:1 R, W, t, DS:1 1, GT:1, I, nSt Val: 0 0 2: Axes, 1, CN:1, VN:3 Y, W, t, DS:1 1, GT:0, I, nSt Const: 1, Val: 1 0, 0 1 "F", NP: -80, 49, NS: 13, 12 3: Pt, 0, CN:0, VN:1 Bl, W, t, DS:1 1, GT:2, V, nSt Val: -2.7 -1.46_ p: 0, Times, S: 12 C: 6 Fa: 0 4: Cir, 0, CN:1, VN:2 Bl, W, t, DS:1 1, GT:0, V, nSt Const: 3, Val: 4.47573705910236 "F'", NP: 0, 72, NS: 17, 12 5: Pt, 0, CN:0, VN:1 Bl, W, t, DS:1 1, GT:2, V, nSt Val: 0.06_ -2.16_ p: 0, Times, S: 12 C: 6 Fa: 0 6: Line, 0, CN:2, VN:2 lBl, W, t, DS:1 1, GT:0, V, nSt Const: 3 5 7: Perp, 0, CN:2, VN:2 lGr, W, t, DS:1 1, GT:0, V, nSt Const: 3 6 "U", NP: -48, -80, NS: 15, 12 8: Int, 256, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 7 4 p: 0, Times, S: 12 C: 7 Fa: 0 9: PBiss, 0, CN:2, VN:2 Br, W, t, DS:1 1, GT:0, V, nSt Const: 5 8 "A", NP: -68, -9, NS: 14, 12 10: Int, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 7 9 p: 0, Times, S: 12 C: 3 Fa: 0 "A'", NP: -106, 85, NS: 18, 12 11: Refl, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 10 6 p: 0, Times, S: 12 C: 3 Fa: 0 12: PBiss, 0, CN:2, VN:2 lBl, W, t, DS:1 1, GT:0, V, nSt Const: 3 5 "A""", NP: 16, 20, NS: 19, 12 13: Refl, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 10 12 p: 0, Times, S: 12 C: 3 Fa: 0 "I", NP: -59, -30, NS: 10, 12 14: Mid, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 3 8 p: 0, Times, S: 12 C: 7 Fa: 0 15: Par, 0, CN:2, VN:2 Gr, W, t, DS:1 1, GT:0, V, nSt Const: 14 6 "V", NP: -182, -63, NS: 14, 12 16: Int, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 15 4 p: 0, Times, S: 12 C: 7 Fa: 0 17: Line, 0, CN:2, VN:2 lGr, W, t, DS:1 1, GT:0, V, nSt Const: 3 16 18: PBiss, 0, CN:2, VN:2 dBr, W, t, DS:1 1, GT:0, V, nSt Const: 5 16 "B", NP: -94, 21, NS: 14, 12 19: Int, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 17 18 p: 0, Times, S: 12 C: 3 Fa: 0 "B'", NP: -103, 51, NS: 18, 12 20: Refl, 0, CN:2, VN:1 R, W, t, DS:1 1, GT:1, V, nSt Const: 19 6 p: 0, Times, S: 12 C: 3 Fa: 0 21: Con, 1, CN:5, VN:6 P, W, t, DS:1 1, GT:0, V, nSt Const: 13 10 19 20 11