Step |
Hyp |
Ref |
Expression |
1 |
|
nmoubi.1 |
|
2 |
|
nmoubi.y |
|
3 |
|
nmoubi.l |
|
4 |
|
nmoubi.m |
|
5 |
|
nmoubi.3 |
|
6 |
|
nmoubi.u |
|
7 |
|
nmoubi.w |
|
8 |
|
impexp |
|
9 |
|
r19.35 |
|
10 |
9
|
imbi2i |
|
11 |
8 10
|
bitr4i |
|
12 |
11
|
albii |
|
13 |
|
nnex |
|
14 |
|
fveq2 |
|
15 |
14
|
breq1d |
|
16 |
|
fveq2 |
|
17 |
16
|
fveq2d |
|
18 |
17
|
breq1d |
|
19 |
15 18
|
imbi12d |
|
20 |
13 19
|
ac6n |
|
21 |
|
nnre |
|
22 |
21
|
anim1i |
|
23 |
22
|
reximi2 |
|
24 |
20 23
|
syl |
|
25 |
12 24
|
sylbi |
|
26 |
1 2 3 4 5 6 7
|
nmobndi |
|
27 |
25 26
|
syl5ibr |
|
28 |
27
|
imp |
|