Step |
Hyp |
Ref |
Expression |
1 |
|
ax-icn |
|
2 |
|
mulcl |
|
3 |
1 2
|
mpan |
|
4 |
|
ax-1cn |
|
5 |
|
sqcl |
|
6 |
|
subcl |
|
7 |
4 5 6
|
sylancr |
|
8 |
7
|
sqrtcld |
|
9 |
3 8
|
addcld |
|
10 |
|
asinlem |
|
11 |
9 10
|
logcld |
|
12 |
|
efneg |
|
13 |
11 12
|
syl |
|
14 |
|
eflog |
|
15 |
9 10 14
|
syl2anc |
|
16 |
15
|
oveq2d |
|
17 |
|
asinlem2 |
|
18 |
4
|
a1i |
|
19 |
|
negcl |
|
20 |
|
mulcl |
|
21 |
1 19 20
|
sylancr |
|
22 |
19
|
sqcld |
|
23 |
|
subcl |
|
24 |
4 22 23
|
sylancr |
|
25 |
24
|
sqrtcld |
|
26 |
21 25
|
addcld |
|
27 |
18 9 26 10
|
divmuld |
|
28 |
17 27
|
mpbird |
|
29 |
13 16 28
|
3eqtrd |
|
30 |
|
asinlem |
|
31 |
19 30
|
syl |
|
32 |
11
|
negcld |
|
33 |
11
|
imnegd |
|
34 |
11
|
imcld |
|
35 |
34
|
renegcld |
|
36 |
|
pire |
|
37 |
36
|
a1i |
|
38 |
9 10
|
logimcld |
|
39 |
38
|
simprd |
|
40 |
9
|
renegd |
|
41 |
|
asinlem3 |
|
42 |
9
|
recld |
|
43 |
42
|
le0neg2d |
|
44 |
41 43
|
mpbid |
|
45 |
40 44
|
eqbrtrd |
|
46 |
9
|
negcld |
|
47 |
46
|
recld |
|
48 |
|
0re |
|
49 |
|
lenlt |
|
50 |
47 48 49
|
sylancl |
|
51 |
45 50
|
mpbid |
|
52 |
|
lognegb |
|
53 |
9 10 52
|
syl2anc |
|
54 |
|
rpgt0 |
|
55 |
|
rpre |
|
56 |
55
|
rered |
|
57 |
54 56
|
breqtrrd |
|
58 |
53 57
|
syl6bir |
|
59 |
58
|
necon3bd |
|
60 |
51 59
|
mpd |
|
61 |
60
|
necomd |
|
62 |
34 37 39 61
|
leneltd |
|
63 |
|
ltneg |
|
64 |
34 36 63
|
sylancl |
|
65 |
62 64
|
mpbid |
|
66 |
38
|
simpld |
|
67 |
36
|
renegcli |
|
68 |
|
ltle |
|
69 |
67 34 68
|
sylancr |
|
70 |
66 69
|
mpd |
|
71 |
|
lenegcon1 |
|
72 |
36 34 71
|
sylancr |
|
73 |
70 72
|
mpbid |
|
74 |
67
|
rexri |
|
75 |
|
elioc2 |
|
76 |
74 36 75
|
mp2an |
|
77 |
35 65 73 76
|
syl3anbrc |
|
78 |
33 77
|
eqeltrd |
|
79 |
|
imf |
|
80 |
|
ffn |
|
81 |
|
elpreima |
|
82 |
79 80 81
|
mp2b |
|
83 |
32 78 82
|
sylanbrc |
|
84 |
|
logrn |
|
85 |
83 84
|
eleqtrrdi |
|
86 |
|
logeftb |
|
87 |
26 31 85 86
|
syl3anc |
|
88 |
29 87
|
mpbird |
|
89 |
88
|
oveq2d |
|
90 |
|
negicn |
|
91 |
|
mulneg2 |
|
92 |
90 11 91
|
sylancr |
|
93 |
89 92
|
eqtrd |
|
94 |
|
asinval |
|
95 |
19 94
|
syl |
|
96 |
|
asinval |
|
97 |
96
|
negeqd |
|
98 |
93 95 97
|
3eqtr4d |
|