Step |
Hyp |
Ref |
Expression |
1 |
|
ioran |
|
2 |
1
|
anbi2i |
|
3 |
|
ioran |
|
4 |
|
ioran |
|
5 |
|
ioran |
|
6 |
4 5
|
anbi12i |
|
7 |
3 6
|
bitri |
|
8 |
|
ioran |
|
9 |
|
ioran |
|
10 |
|
ioran |
|
11 |
9 10
|
anbi12i |
|
12 |
8 11
|
bitri |
|
13 |
7 12
|
anbi12i |
|
14 |
|
simplll |
|
15 |
|
elxr |
|
16 |
14 15
|
sylib |
|
17 |
|
idd |
|
18 |
|
simprlr |
|
19 |
18
|
adantl |
|
20 |
19
|
pm2.21d |
|
21 |
20
|
expdimp |
|
22 |
|
simplrr |
|
23 |
22
|
pm2.21d |
|
24 |
23
|
imp |
|
25 |
|
simplll |
|
26 |
25
|
adantl |
|
27 |
26
|
pm2.21d |
|
28 |
27
|
expdimp |
|
29 |
|
simpllr |
|
30 |
|
0xr |
|
31 |
|
xrltso |
|
32 |
|
solin |
|
33 |
31 32
|
mpan |
|
34 |
29 30 33
|
sylancl |
|
35 |
21 24 28 34
|
mpjao3dan |
|
36 |
|
simpllr |
|
37 |
36
|
adantl |
|
38 |
37
|
pm2.21d |
|
39 |
38
|
expdimp |
|
40 |
22
|
pm2.21d |
|
41 |
40
|
imp |
|
42 |
|
simprll |
|
43 |
42
|
adantl |
|
44 |
43
|
pm2.21d |
|
45 |
44
|
expdimp |
|
46 |
39 41 45 34
|
mpjao3dan |
|
47 |
17 35 46
|
3jaod |
|
48 |
16 47
|
mpd |
|
49 |
2 13 48
|
syl2anb |
|
50 |
49
|
anassrs |
|