Step |
Hyp |
Ref |
Expression |
1 |
|
sge0lempt.xph |
|
2 |
|
sge0lempt.a |
|
3 |
|
sge0lempt.b |
|
4 |
|
sge0lempt.c |
|
5 |
|
sge0lempt.le |
|
6 |
|
eqid |
|
7 |
1 3 6
|
fmptdf |
|
8 |
|
eqid |
|
9 |
1 4 8
|
fmptdf |
|
10 |
|
nfv |
|
11 |
1 10
|
nfan |
|
12 |
|
nfcv |
|
13 |
12
|
nfcsb1 |
|
14 |
|
nfcv |
|
15 |
12
|
nfcsb1 |
|
16 |
13 14 15
|
nfbr |
|
17 |
11 16
|
nfim |
|
18 |
|
eleq1w |
|
19 |
18
|
anbi2d |
|
20 |
|
csbeq1a |
|
21 |
|
csbeq1a |
|
22 |
20 21
|
breq12d |
|
23 |
19 22
|
imbi12d |
|
24 |
17 23 5
|
chvarfv |
|
25 |
|
simpr |
|
26 |
13
|
nfel1 |
|
27 |
11 26
|
nfim |
|
28 |
20
|
eleq1d |
|
29 |
19 28
|
imbi12d |
|
30 |
27 29 3
|
chvarfv |
|
31 |
12 13 20 6
|
fvmptf |
|
32 |
25 30 31
|
syl2anc |
|
33 |
|
nfcv |
|
34 |
15 33
|
nfel |
|
35 |
11 34
|
nfim |
|
36 |
21
|
eleq1d |
|
37 |
19 36
|
imbi12d |
|
38 |
35 37 4
|
chvarfv |
|
39 |
12 15 21 8
|
fvmptf |
|
40 |
25 38 39
|
syl2anc |
|
41 |
32 40
|
breq12d |
|
42 |
24 41
|
mpbird |
|
43 |
2 7 9 42
|
sge0le |
|