Step |
Hyp |
Ref |
Expression |
1 |
|
lptioo2.1 |
|
2 |
|
lptioo2.2 |
|
3 |
|
lptioo2.3 |
|
4 |
|
lptioo2.4 |
|
5 |
|
difssd |
|
6 |
|
simpr |
|
7 |
|
ubioo |
|
8 |
|
eleq1 |
|
9 |
8
|
biimpcd |
|
10 |
7 9
|
mtoi |
|
11 |
10
|
adantl |
|
12 |
|
velsn |
|
13 |
11 12
|
sylnibr |
|
14 |
6 13
|
eldifd |
|
15 |
5 14
|
eqelssd |
|
16 |
15
|
ineq2d |
|
17 |
16
|
ad2antrr |
|
18 |
|
simplrl |
|
19 |
|
simplrr |
|
20 |
2
|
ad2antrr |
|
21 |
|
elioo3g |
|
22 |
21
|
biimpi |
|
23 |
22
|
simpld |
|
24 |
23
|
simp3d |
|
25 |
24
|
adantl |
|
26 |
|
iooin |
|
27 |
18 19 20 25 26
|
syl22anc |
|
28 |
|
iftrue |
|
29 |
28
|
adantl |
|
30 |
4
|
ad3antrrr |
|
31 |
29 30
|
eqbrtrd |
|
32 |
|
iffalse |
|
33 |
32
|
adantl |
|
34 |
22
|
simprd |
|
35 |
34
|
simpld |
|
36 |
35
|
ad2antlr |
|
37 |
33 36
|
eqbrtrd |
|
38 |
31 37
|
pm2.61dan |
|
39 |
34
|
simprd |
|
40 |
23
|
simp2d |
|
41 |
|
xrltnle |
|
42 |
24 40 41
|
syl2anc |
|
43 |
39 42
|
mpbid |
|
44 |
|
iffalse |
|
45 |
43 44
|
syl |
|
46 |
45
|
eqcomd |
|
47 |
46
|
adantl |
|
48 |
38 47
|
breqtrd |
|
49 |
20 18
|
ifcld |
|
50 |
47 25
|
eqeltrrd |
|
51 |
|
ioon0 |
|
52 |
49 50 51
|
syl2anc |
|
53 |
48 52
|
mpbird |
|
54 |
27 53
|
eqnetrd |
|
55 |
17 54
|
eqnetrd |
|
56 |
55
|
ex |
|
57 |
56
|
ralrimivva |
|
58 |
|
ioossre |
|
59 |
58
|
a1i |
|
60 |
1 59 3
|
islptre |
|
61 |
57 60
|
mpbird |
|