Step |
Hyp |
Ref |
Expression |
1 |
|
nmoolb.1 |
|
2 |
|
nmoolb.2 |
|
3 |
|
nmoolb.l |
|
4 |
|
nmoolb.m |
|
5 |
|
nmoolb.3 |
|
6 |
2 4
|
nmosetre |
|
7 |
|
ressxr |
|
8 |
6 7
|
sstrdi |
|
9 |
8
|
3adant1 |
|
10 |
|
fveq2 |
|
11 |
10
|
breq1d |
|
12 |
|
2fveq3 |
|
13 |
12
|
eqeq2d |
|
14 |
11 13
|
anbi12d |
|
15 |
|
eqid |
|
16 |
15
|
biantru |
|
17 |
14 16
|
bitr4di |
|
18 |
17
|
rspcev |
|
19 |
|
fvex |
|
20 |
|
eqeq1 |
|
21 |
20
|
anbi2d |
|
22 |
21
|
rexbidv |
|
23 |
19 22
|
elab |
|
24 |
18 23
|
sylibr |
|
25 |
|
supxrub |
|
26 |
9 24 25
|
syl2an |
|
27 |
1 2 3 4 5
|
nmooval |
|
28 |
27
|
adantr |
|
29 |
26 28
|
breqtrrd |
|