Step |
Hyp |
Ref |
Expression |
1 |
|
swrdval2 |
|
2 |
1
|
rneqd |
|
3 |
|
eqidd |
|
4 |
|
simpl1 |
|
5 |
3 4
|
wrdfd |
|
6 |
5
|
ffund |
|
7 |
|
elfzuz3 |
|
8 |
7
|
3ad2ant3 |
|
9 |
8
|
adantr |
|
10 |
|
fzoss2 |
|
11 |
9 10
|
syl |
|
12 |
|
elfzuz |
|
13 |
12
|
3ad2ant2 |
|
14 |
13
|
adantr |
|
15 |
|
fzoss1 |
|
16 |
14 15
|
syl |
|
17 |
|
simpr |
|
18 |
|
simpl3 |
|
19 |
18
|
elfzelzd |
|
20 |
|
simpl2 |
|
21 |
20
|
elfzelzd |
|
22 |
|
fzoaddel2 |
|
23 |
17 19 21 22
|
syl3anc |
|
24 |
16 23
|
sseldd |
|
25 |
11 24
|
sseldd |
|
26 |
|
wrddm |
|
27 |
26
|
3ad2ant1 |
|
28 |
27
|
adantr |
|
29 |
25 28
|
eleqtrrd |
|
30 |
|
fvelrn |
|
31 |
6 29 30
|
syl2anc |
|
32 |
31
|
ralrimiva |
|
33 |
|
eqid |
|
34 |
33
|
rnmptss |
|
35 |
32 34
|
syl |
|
36 |
2 35
|
eqsstrd |
|