Step |
Hyp |
Ref |
Expression |
1 |
|
renegcl |
|
2 |
|
zmin |
|
3 |
1 2
|
syl |
|
4 |
|
znegcl |
|
5 |
|
znegcl |
|
6 |
|
zcn |
|
7 |
|
zcn |
|
8 |
|
negcon2 |
|
9 |
6 7 8
|
syl2an |
|
10 |
5 9
|
reuhyp |
|
11 |
|
breq2 |
|
12 |
|
breq1 |
|
13 |
12
|
imbi2d |
|
14 |
13
|
ralbidv |
|
15 |
11 14
|
anbi12d |
|
16 |
4 10 15
|
reuxfr1 |
|
17 |
|
zre |
|
18 |
|
leneg |
|
19 |
17 18
|
sylan |
|
20 |
19
|
ancoms |
|
21 |
|
znegcl |
|
22 |
|
breq1 |
|
23 |
|
breq1 |
|
24 |
22 23
|
imbi12d |
|
25 |
24
|
rspcv |
|
26 |
21 25
|
syl |
|
27 |
|
zre |
|
28 |
|
lenegcon1 |
|
29 |
28
|
adantrr |
|
30 |
|
lenegcon1 |
|
31 |
17 30
|
sylan2 |
|
32 |
31
|
adantrl |
|
33 |
29 32
|
imbi12d |
|
34 |
27 33
|
sylan |
|
35 |
34
|
biimpd |
|
36 |
35
|
ex |
|
37 |
36
|
com23 |
|
38 |
26 37
|
syld |
|
39 |
38
|
com13 |
|
40 |
39
|
ralrimdv |
|
41 |
|
znegcl |
|
42 |
|
breq2 |
|
43 |
|
breq2 |
|
44 |
42 43
|
imbi12d |
|
45 |
44
|
rspcv |
|
46 |
41 45
|
syl |
|
47 |
|
zre |
|
48 |
|
leneg |
|
49 |
48
|
adantrr |
|
50 |
|
leneg |
|
51 |
17 50
|
sylan2 |
|
52 |
51
|
adantrl |
|
53 |
49 52
|
imbi12d |
|
54 |
47 53
|
sylan |
|
55 |
54
|
exbiri |
|
56 |
55
|
com23 |
|
57 |
46 56
|
syld |
|
58 |
57
|
com13 |
|
59 |
58
|
ralrimdv |
|
60 |
40 59
|
impbid |
|
61 |
20 60
|
anbi12d |
|
62 |
61
|
reubidva |
|
63 |
16 62
|
bitr4id |
|
64 |
3 63
|
mpbid |
|