Step | Hyp | Ref
| Expression |
1 | | r2ex 2652 |
. . . . 5
|
2 | | 19.41vv 1902 |
. . . . . . 7
S S
S
S
|
3 | | anass 630 |
. . . . . . . 8
S
S
S
S
|
4 | 3 | 2exbii 1583 |
. . . . . . 7
S S
S S
|
5 | | ancom 437 |
. . . . . . . . . . 11
S S
S S
|
6 | | df-3an 936 |
. . . . . . . . . . 11
S S S S |
7 | 5, 6 | bitr4i 243 |
. . . . . . . . . 10
S S
S S |
8 | 7 | 2exbii 1583 |
. . . . . . . . 9
S S
S S |
9 | | snex 4111 |
. . . . . . . . . 10
|
10 | | snex 4111 |
. . . . . . . . . 10
|
11 | | breq1 4642 |
. . . . . . . . . . 11
S S |
12 | 11 | anbi1d 685 |
. . . . . . . . . 10
S
S S S |
13 | | breq1 4642 |
. . . . . . . . . . 11
S S |
14 | 13 | anbi2d 684 |
. . . . . . . . . 10
S S
S S |
15 | 9, 10, 12, 14 | ceqsex2v 2896 |
. . . . . . . . 9
S S S S |
16 | | vex 2862 |
. . . . . . . . . . 11
|
17 | | vex 2862 |
. . . . . . . . . . 11
|
18 | 16, 17 | brssetsn 4759 |
. . . . . . . . . 10
S |
19 | | vex 2862 |
. . . . . . . . . . 11
|
20 | | vex 2862 |
. . . . . . . . . . 11
|
21 | 19, 20 | brssetsn 4759 |
. . . . . . . . . 10
S |
22 | 18, 21 | anbi12i 678 |
. . . . . . . . 9
S
S
|
23 | 8, 15, 22 | 3bitri 262 |
. . . . . . . 8
S S
|
24 | 23 | anbi1i 676 |
. . . . . . 7
S S
|
25 | 2, 4, 24 | 3bitr3i 266 |
. . . . . 6
S S
|
26 | 25 | 2exbii 1583 |
. . . . 5
S S
|
27 | 1, 26 | bitr4i 243 |
. . . 4
S S
|
28 | 17, 20 | brlec 6113 |
. . . 4
c
|
29 | | brco 4883 |
. . . . 5
S SI S
S S S
SI S |
30 | | brcnv 4892 |
. . . . . . . 8
S S |
31 | | brco 4883 |
. . . . . . . . 9
S SI S SI S S |
32 | | brsi 4761 |
. . . . . . . . . . . 12
SI S S |
33 | | df-3an 936 |
. . . . . . . . . . . . . 14
S
S |
34 | 16, 19 | brsset 4758 |
. . . . . . . . . . . . . . 15
S |
35 | 34 | anbi2i 675 |
. . . . . . . . . . . . . 14
S
|
36 | 33, 35 | bitri 240 |
. . . . . . . . . . . . 13
S
|
37 | 36 | 2exbii 1583 |
. . . . . . . . . . . 12
S
|
38 | 32, 37 | bitri 240 |
. . . . . . . . . . 11
SI S
|
39 | 38 | anbi2ci 677 |
. . . . . . . . . 10
SI S S S
|
40 | 39 | exbii 1582 |
. . . . . . . . 9
SI S S
S
|
41 | 31, 40 | bitri 240 |
. . . . . . . 8
S SI S S
|
42 | 30, 41 | anbi12i 678 |
. . . . . . 7
S S
SI S S S |
43 | | 19.42v 1905 |
. . . . . . 7
S S S
S
|
44 | | 19.42vv 1907 |
. . . . . . . . 9
S S
S
S |
45 | | anass 630 |
. . . . . . . . 9
S S
S S |
46 | 44, 45 | bitr2i 241 |
. . . . . . . 8
S S
S S
|
47 | 46 | exbii 1582 |
. . . . . . 7
S S S S
|
48 | 42, 43, 47 | 3bitr2i 264 |
. . . . . 6
S S
SI S S S
|
49 | 48 | exbii 1582 |
. . . . 5
S
S SI S S
S
|
50 | | exrot4 1745 |
. . . . 5
S S
S S
|
51 | 29, 49, 50 | 3bitri 262 |
. . . 4
S SI S
S S S
|
52 | 27, 28, 51 | 3bitr4i 268 |
. . 3
c
S SI S S
|
53 | 52 | eqbrriv 4851 |
. 2
c S SI S S
|
54 | | ssetex 4744 |
. . . 4
S |
55 | 54 | siex 4753 |
. . . 4
SI S |
56 | 54, 55 | coex 4750 |
. . 3
S
SI S |
57 | 54 | cnvex 5102 |
. . 3
S
|
58 | 56, 57 | coex 4750 |
. 2
S
SI S S |
59 | 53, 58 | eqeltri 2423 |
1
c |