Description: Alternate form of OutsideOf . Definition 6.1 of Schwabhauser p. 43. (Contributed by Scott Fenton, 17-Oct-2013) (Revised by Mario Carneiro, 19-Apr-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | broutsideof2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | broutsideof | |
|
2 | btwntriv1 | |
|
3 | 2 | 3adant3r1 | |
4 | breq1 | |
|
5 | 3 4 | syl5ibcom | |
6 | 5 | necon3bd | |
7 | 6 | imp | |
8 | 7 | adantrl | |
9 | btwntriv2 | |
|
10 | 9 | 3adant3r1 | |
11 | breq1 | |
|
12 | 10 11 | syl5ibcom | |
13 | 12 | necon3bd | |
14 | 13 | imp | |
15 | 14 | adantrl | |
16 | brcolinear | |
|
17 | pm2.24 | |
|
18 | 17 | a1i | |
19 | 3anrot | |
|
20 | btwncom | |
|
21 | 19 20 | sylan2b | |
22 | orc | |
|
23 | 21 22 | syl6bi | |
24 | 23 | a1dd | |
25 | olc | |
|
26 | 25 | a1d | |
27 | 26 | a1i | |
28 | 18 24 27 | 3jaod | |
29 | 16 28 | sylbid | |
30 | 29 | imp32 | |
31 | 8 15 30 | 3jca | |
32 | simp3 | |
|
33 | 3ancomb | |
|
34 | btwncolinear2 | |
|
35 | 33 34 | sylan2b | |
36 | btwncolinear1 | |
|
37 | 35 36 | jaod | |
38 | 32 37 | syl5 | |
39 | 38 | imp | |
40 | simpr2 | |
|
41 | 40 | neneqd | |
42 | simprl1 | |
|
43 | simprr | |
|
44 | simpl | |
|
45 | simpr2 | |
|
46 | simpr1 | |
|
47 | simpr3 | |
|
48 | btwnswapid | |
|
49 | 44 45 46 47 48 | syl13anc | |
50 | 49 | adantr | |
51 | 42 43 50 | mp2and | |
52 | 51 | expr | |
53 | 41 52 | mtod | |
54 | 53 | 3exp2 | |
55 | simpr3 | |
|
56 | 55 | neneqd | |
57 | simprl1 | |
|
58 | simprr | |
|
59 | 44 46 45 47 58 | btwncomand | |
60 | 3anrot | |
|
61 | btwnswapid | |
|
62 | 60 61 | sylan2br | |
63 | 62 | adantr | |
64 | 57 59 63 | mp2and | |
65 | 64 | expr | |
66 | 56 65 | mtod | |
67 | 66 | 3exp2 | |
68 | 54 67 | jaod | |
69 | 68 | com12 | |
70 | 69 | com4l | |
71 | 70 | 3imp2 | |
72 | 39 71 | jca | |
73 | 31 72 | impbida | |
74 | 1 73 | bitrid | |