Step |
Hyp |
Ref |
Expression |
1 |
|
xblss2ps.1 |
|
2 |
|
xblss2ps.2 |
|
3 |
|
xblss2ps.3 |
|
4 |
|
xblss2ps.4 |
|
5 |
|
xblss2ps.5 |
|
6 |
|
xblss2ps.6 |
|
7 |
|
xblss2ps.7 |
|
8 |
|
elblps |
|
9 |
1 2 4 8
|
syl3anc |
|
10 |
9
|
simprbda |
|
11 |
1
|
adantr |
|
12 |
3
|
adantr |
|
13 |
|
psmetcl |
|
14 |
11 12 10 13
|
syl3anc |
|
15 |
14
|
adantr |
|
16 |
6
|
adantr |
|
17 |
16
|
rexrd |
|
18 |
4
|
adantr |
|
19 |
17 18
|
xaddcld |
|
20 |
19
|
adantr |
|
21 |
5
|
ad2antrr |
|
22 |
2
|
adantr |
|
23 |
|
psmetcl |
|
24 |
11 22 10 23
|
syl3anc |
|
25 |
17 24
|
xaddcld |
|
26 |
|
psmettri2 |
|
27 |
11 22 12 10 26
|
syl13anc |
|
28 |
9
|
simplbda |
|
29 |
|
xltadd2 |
|
30 |
24 18 16 29
|
syl3anc |
|
31 |
28 30
|
mpbid |
|
32 |
14 25 19 27 31
|
xrlelttrd |
|
33 |
32
|
adantr |
|
34 |
5
|
adantr |
|
35 |
18
|
xnegcld |
|
36 |
34 35
|
xaddcld |
|
37 |
7
|
adantr |
|
38 |
|
xleadd1a |
|
39 |
17 36 18 37 38
|
syl31anc |
|
40 |
39
|
adantr |
|
41 |
|
xnpcan |
|
42 |
34 41
|
sylan |
|
43 |
40 42
|
breqtrd |
|
44 |
15 20 21 33 43
|
xrltletrd |
|
45 |
14
|
adantr |
|
46 |
6
|
ad2antrr |
|
47 |
|
simpll |
|
48 |
|
simplr |
|
49 |
|
simpr |
|
50 |
49
|
oveq2d |
|
51 |
48 50
|
eleqtrd |
|
52 |
|
xblpnfps |
|
53 |
1 2 52
|
syl2anc |
|
54 |
53
|
simplbda |
|
55 |
47 51 54
|
syl2anc |
|
56 |
46 55
|
readdcld |
|
57 |
56
|
rexrd |
|
58 |
|
pnfxr |
|
59 |
58
|
a1i |
|
60 |
1
|
ad2antrr |
|
61 |
2
|
ad2antrr |
|
62 |
3
|
ad2antrr |
|
63 |
10
|
adantr |
|
64 |
60 61 62 63 26
|
syl13anc |
|
65 |
46 55
|
rexaddd |
|
66 |
64 65
|
breqtrd |
|
67 |
56
|
ltpnfd |
|
68 |
45 57 59 66 67
|
xrlelttrd |
|
69 |
|
0xr |
|
70 |
69
|
a1i |
|
71 |
|
psmetge0 |
|
72 |
11 22 12 71
|
syl3anc |
|
73 |
70 17 36 72 37
|
xrletrd |
|
74 |
|
ge0nemnf |
|
75 |
36 73 74
|
syl2anc |
|
76 |
75
|
adantr |
|
77 |
5
|
ad2antrr |
|
78 |
|
xaddmnf1 |
|
79 |
78
|
ex |
|
80 |
77 79
|
syl |
|
81 |
|
xnegeq |
|
82 |
49 81
|
syl |
|
83 |
|
xnegpnf |
|
84 |
82 83
|
eqtrdi |
|
85 |
84
|
oveq2d |
|
86 |
85
|
eqeq1d |
|
87 |
80 86
|
sylibrd |
|
88 |
87
|
necon1d |
|
89 |
76 88
|
mpd |
|
90 |
68 89
|
breqtrrd |
|
91 |
|
psmetge0 |
|
92 |
11 22 10 91
|
syl3anc |
|
93 |
70 24 18 92 28
|
xrlelttrd |
|
94 |
70 18 93
|
xrltled |
|
95 |
|
ge0nemnf |
|
96 |
18 94 95
|
syl2anc |
|
97 |
18 96
|
jca |
|
98 |
|
xrnemnf |
|
99 |
97 98
|
sylib |
|
100 |
44 90 99
|
mpjaodan |
|
101 |
|
elblps |
|
102 |
11 12 34 101
|
syl3anc |
|
103 |
10 100 102
|
mpbir2and |
|
104 |
103
|
ex |
|
105 |
104
|
ssrdv |
|