Step |
Hyp |
Ref |
Expression |
1 |
|
sqrtcvallem1.1 |
|
2 |
|
eldif |
|
3 |
2
|
a1i |
|
4 |
|
imor |
|
5 |
1
|
biantrurd |
|
6 |
|
reim0b |
|
7 |
1 6
|
syl |
|
8 |
7
|
notbid |
|
9 |
8
|
bicomd |
|
10 |
|
eleq1 |
|
11 |
10
|
notbid |
|
12 |
11
|
elrab |
|
13 |
12
|
a1i |
|
14 |
5 9 13
|
3bitr4d |
|
15 |
1
|
biantrurd |
|
16 |
1
|
recld |
|
17 |
|
0red |
|
18 |
16 17
|
lenltd |
|
19 |
|
fveq2 |
|
20 |
19
|
breq2d |
|
21 |
20
|
notbid |
|
22 |
21
|
elrab |
|
23 |
22
|
a1i |
|
24 |
15 18 23
|
3bitr4d |
|
25 |
14 24
|
orbi12d |
|
26 |
4 25
|
syl5bb |
|
27 |
|
elun |
|
28 |
27
|
a1i |
|
29 |
|
ianor |
|
30 |
29
|
bicomi |
|
31 |
|
elrp |
|
32 |
|
rere |
|
33 |
32
|
breq2d |
|
34 |
33
|
bicomd |
|
35 |
34
|
pm5.32i |
|
36 |
31 35
|
bitri |
|
37 |
30 36
|
xchbinxr |
|
38 |
37
|
rabbii |
|
39 |
|
unrab |
|
40 |
|
dfdif2 |
|
41 |
38 39 40
|
3eqtr4i |
|
42 |
41
|
a1i |
|
43 |
42
|
eleq2d |
|
44 |
26 28 43
|
3bitr2d |
|
45 |
1
|
biantrurd |
|
46 |
3 44 45
|
3bitr4d |
|