Step |
Hyp |
Ref |
Expression |
1 |
|
sge0gerp.x |
|
2 |
|
sge0gerp.f |
|
3 |
|
sge0gerp.a |
|
4 |
|
sge0gerp.z |
|
5 |
|
nfv |
|
6 |
|
simpr |
|
7 |
2
|
adantr |
|
8 |
|
elinel1 |
|
9 |
|
elpwi |
|
10 |
8 9
|
syl |
|
11 |
10
|
adantl |
|
12 |
7 11
|
fssresd |
|
13 |
6 12
|
sge0xrcl |
|
14 |
13
|
ralrimiva |
|
15 |
|
eqid |
|
16 |
15
|
rnmptss |
|
17 |
14 16
|
syl |
|
18 |
|
nfv |
|
19 |
|
nfmpt1 |
|
20 |
19
|
nfrn |
|
21 |
|
nfv |
|
22 |
20 21
|
nfrex |
|
23 |
|
id |
|
24 |
|
fvexd |
|
25 |
15
|
elrnmpt1 |
|
26 |
23 24 25
|
syl2anc |
|
27 |
26
|
3ad2ant2 |
|
28 |
|
simp3 |
|
29 |
|
nfv |
|
30 |
|
oveq1 |
|
31 |
30
|
breq2d |
|
32 |
29 31
|
rspce |
|
33 |
27 28 32
|
syl2anc |
|
34 |
33
|
3exp |
|
35 |
18 22 34
|
rexlimd |
|
36 |
4 35
|
mpd |
|
37 |
5 17 3 36
|
supxrge |
|
38 |
1 2
|
sge0sup |
|
39 |
38
|
eqcomd |
|
40 |
37 39
|
breqtrd |
|