Step |
Hyp |
Ref |
Expression |
1 |
|
0xr |
|
2 |
|
lerelxr |
|
3 |
2
|
brel |
|
4 |
3
|
simprd |
|
5 |
|
rexr |
|
6 |
|
xrlelttr |
|
7 |
|
xrltle |
|
8 |
7
|
3adant2 |
|
9 |
6 8
|
syld |
|
10 |
1 4 5 9
|
mp3an3an |
|
11 |
10
|
imp |
|
12 |
11
|
3impdi |
|
13 |
12
|
3expib |
|
14 |
13
|
pm4.71d |
|
15 |
14
|
anbi1d |
|
16 |
|
df-3an |
|
17 |
|
3anass |
|
18 |
17
|
anbi2i |
|
19 |
|
anandi |
|
20 |
|
anass |
|
21 |
|
anass |
|
22 |
20 21
|
bitr2i |
|
23 |
18 19 22
|
3bitr2i |
|
24 |
15 16 23
|
3bitr4g |
|
25 |
|
1re |
|
26 |
|
elioc2 |
|
27 |
4 25 26
|
sylancl |
|
28 |
|
elin |
|
29 |
|
elicc01 |
|
30 |
29
|
anbi2i |
|
31 |
28 30
|
bitri |
|
32 |
|
elioopnf |
|
33 |
4 32
|
syl |
|
34 |
33
|
anbi1d |
|
35 |
31 34
|
syl5bb |
|
36 |
24 27 35
|
3bitr4rd |
|
37 |
36
|
eqrdv |
|
38 |
|
fvex |
|
39 |
|
ovex |
|
40 |
|
iooretop |
|
41 |
|
elrestr |
|
42 |
38 39 40 41
|
mp3an |
|
43 |
|
dfii2 |
|
44 |
42 43
|
eleqtrri |
|
45 |
37 44
|
eqeltrrdi |
|