Step |
Hyp |
Ref |
Expression |
1 |
|
negsproplem.1 |
|
2 |
|
negsproplem4.1 |
|
3 |
|
negsproplem4.2 |
|
4 |
|
negsproplem4.3 |
|
5 |
|
negsproplem6.4 |
|
6 |
|
nodense |
|
7 |
2 3 5 4 6
|
syl22anc |
|
8 |
|
uncom |
|
9 |
8
|
eleq2i |
|
10 |
9
|
imbi1i |
|
11 |
10
|
2ralbii |
|
12 |
1 11
|
sylib |
|
13 |
12 3
|
negsproplem3 |
|
14 |
13
|
simp1d |
|
15 |
14
|
adantr |
|
16 |
1
|
adantr |
|
17 |
|
simprl |
|
18 |
|
0sno |
|
19 |
18
|
a1i |
|
20 |
|
bday0s |
|
21 |
20
|
uneq2i |
|
22 |
|
un0 |
|
23 |
21 22
|
eqtri |
|
24 |
|
simprr1 |
|
25 |
|
elun1 |
|
26 |
24 25
|
syl |
|
27 |
23 26
|
eqeltrid |
|
28 |
16 17 19 27
|
negsproplem1 |
|
29 |
28
|
simpld |
|
30 |
1 2
|
negsproplem3 |
|
31 |
30
|
simp1d |
|
32 |
31
|
adantr |
|
33 |
13
|
simp3d |
|
34 |
33
|
adantr |
|
35 |
|
fvex |
|
36 |
35
|
snid |
|
37 |
36
|
a1i |
|
38 |
|
negsfn |
|
39 |
|
leftssno |
|
40 |
|
bdayelon |
|
41 |
|
oldbday |
|
42 |
40 17 41
|
sylancr |
|
43 |
24 42
|
mpbird |
|
44 |
5
|
fveq2d |
|
45 |
44
|
adantr |
|
46 |
43 45
|
eleqtrd |
|
47 |
|
simprr3 |
|
48 |
|
leftval |
|
49 |
48
|
reqabi |
|
50 |
46 47 49
|
sylanbrc |
|
51 |
|
fnfvima |
|
52 |
38 39 50 51
|
mp3an12i |
|
53 |
34 37 52
|
ssltsepcd |
|
54 |
30
|
simp2d |
|
55 |
54
|
adantr |
|
56 |
|
rightssno |
|
57 |
|
simprr2 |
|
58 |
|
rightval |
|
59 |
58
|
reqabi |
|
60 |
43 57 59
|
sylanbrc |
|
61 |
|
fnfvima |
|
62 |
38 56 60 61
|
mp3an12i |
|
63 |
|
fvex |
|
64 |
63
|
snid |
|
65 |
64
|
a1i |
|
66 |
55 62 65
|
ssltsepcd |
|
67 |
15 29 32 53 66
|
slttrd |
|
68 |
7 67
|
rexlimddv |
|