Step |
Hyp |
Ref |
Expression |
1 |
|
rngcsectALTV.c |
|
2 |
|
rngcsectALTV.b |
|
3 |
|
rngcsectALTV.u |
|
4 |
|
rngcsectALTV.x |
|
5 |
|
rngcsectALTV.y |
|
6 |
|
rngcsectALTV.e |
|
7 |
|
rngcsectALTV.n |
|
8 |
|
eqid |
|
9 |
|
eqid |
|
10 |
|
eqid |
|
11 |
1
|
rngccatALTV |
|
12 |
3 11
|
syl |
|
13 |
2 8 9 10 7 12 4 5
|
issect |
|
14 |
1 2 3 8 4 5
|
rngchomALTV |
|
15 |
14
|
eleq2d |
|
16 |
1 2 3 8 5 4
|
rngchomALTV |
|
17 |
16
|
eleq2d |
|
18 |
15 17
|
anbi12d |
|
19 |
18
|
anbi1d |
|
20 |
3
|
adantr |
|
21 |
4
|
adantr |
|
22 |
5
|
adantr |
|
23 |
|
simprl |
|
24 |
|
simprr |
|
25 |
1 2 20 9 21 22 21 23 24
|
rngccoALTV |
|
26 |
1 2 10 3 4 6
|
rngcidALTV |
|
27 |
26
|
adantr |
|
28 |
25 27
|
eqeq12d |
|
29 |
28
|
pm5.32da |
|
30 |
19 29
|
bitrd |
|
31 |
|
df-3an |
|
32 |
|
df-3an |
|
33 |
30 31 32
|
3bitr4g |
|
34 |
13 33
|
bitrd |
|