Step | Hyp | Ref
| Expression |
1 | | ins2keq 4219 |
. . 3
Ins2k Ins2k |
2 | 1 | eleq1d 2419 |
. 2
Ins2k Ins2k |
3 | | ax-ins2 4085 |
. . 3
|
4 | | inss1 3476 |
. . . . . . . 8
1 1c k k 1
1c k k |
5 | | ins2kss 4280 |
. . . . . . . 8
Ins2k 1 1c k k |
6 | 4, 5 | insklem 4305 |
. . . . . . 7
1 1c k k
Ins2k
1 1c k k
Ins2k |
7 | | vex 2863 |
. . . . . . . . . . . . . 14
|
8 | 7 | snel1c 4141 |
. . . . . . . . . . . . 13
1c |
9 | | snelpw1 4147 |
. . . . . . . . . . . . 13
1 1c
1c |
10 | 8, 9 | mpbir 200 |
. . . . . . . . . . . 12
1
1c |
11 | | vex 2863 |
. . . . . . . . . . . . 13
|
12 | | vex 2863 |
. . . . . . . . . . . . 13
|
13 | 11, 12 | opkelxpk 4249 |
. . . . . . . . . . . . 13
k
|
14 | 11, 12, 13 | mpbir2an 886 |
. . . . . . . . . . . 12
k |
15 | | snex 4112 |
. . . . . . . . . . . . 13
|
16 | | opkex 4114 |
. . . . . . . . . . . . 13
|
17 | 15, 16 | opkelxpk 4249 |
. . . . . . . . . . . 12
1
1c k k 1 1c
k |
18 | 10, 14, 17 | mpbir2an 886 |
. . . . . . . . . . 11
1 1c k k |
19 | | elin 3220 |
. . . . . . . . . . 11
1 1c k k
1 1c k k |
20 | 18, 19 | mpbiran 884 |
. . . . . . . . . 10
1 1c k k
|
21 | 7, 11, 12 | otkelins2k 4256 |
. . . . . . . . . 10
Ins2k
|
22 | 20, 21 | bibi12i 306 |
. . . . . . . . 9
1 1c k k
Ins2k |
23 | 22 | albii 1566 |
. . . . . . . 8
1 1c k k
Ins2k
|
24 | 23 | 2albii 1567 |
. . . . . . 7
1 1c k k
Ins2k
|
25 | 6, 24 | bitri 240 |
. . . . . 6
1 1c k k
Ins2k
|
26 | 25 | biimpri 197 |
. . . . 5
1 1c k k
Ins2k |
27 | | 1cex 4143 |
. . . . . . . 8
1c
|
28 | 27 | pw1ex 4304 |
. . . . . . 7
1
1c
|
29 | | vvex 4110 |
. . . . . . . 8
|
30 | 29, 29 | xpkex 4290 |
. . . . . . 7
k
|
31 | 28, 30 | xpkex 4290 |
. . . . . 6
1 1c k k |
32 | | vex 2863 |
. . . . . 6
|
33 | 31, 32 | inex 4106 |
. . . . 5
1 1c k k
|
34 | 26, 33 | syl6eqelr 2442 |
. . . 4
Ins2k |
35 | 34 | exlimiv 1634 |
. . 3
Ins2k |
36 | 3, 35 | ax-mp 5 |
. 2
Ins2k |
37 | 2, 36 | vtoclg 2915 |
1
Ins2k |