Step |
Hyp |
Ref |
Expression |
1 |
|
dissneq.c |
|
2 |
|
topgele |
|
3 |
2
|
adantl |
|
4 |
3
|
simprd |
|
5 |
|
velpw |
|
6 |
|
simp3 |
|
7 |
|
df-ima |
|
8 |
|
resmpt |
|
9 |
8
|
rneqd |
|
10 |
7 9
|
syl5eq |
|
11 |
|
rnmptsn |
|
12 |
10 11
|
eqtrdi |
|
13 |
|
imassrn |
|
14 |
12 13
|
eqsstrrdi |
|
15 |
|
rnmptsn |
|
16 |
14 15
|
sseqtrdi |
|
17 |
|
sneq |
|
18 |
17
|
eqeq2d |
|
19 |
18
|
cbvrexvw |
|
20 |
19
|
abbii |
|
21 |
1 20
|
eqtri |
|
22 |
16 21
|
sseqtrrdi |
|
23 |
22
|
adantl |
|
24 |
|
sstr |
|
25 |
24
|
expcom |
|
26 |
25
|
adantr |
|
27 |
23 26
|
mpd |
|
28 |
27
|
3adant3 |
|
29 |
6 28
|
ssexd |
|
30 |
|
isset |
|
31 |
29 30
|
sylib |
|
32 |
|
eqid |
|
33 |
|
eqid |
|
34 |
32 33
|
mptsnun |
|
35 |
12
|
unieqd |
|
36 |
34 35
|
eqtrd |
|
37 |
36
|
adantl |
|
38 |
27 37
|
jca |
|
39 |
|
sseq1 |
|
40 |
|
unieq |
|
41 |
40
|
eqeq2d |
|
42 |
39 41
|
anbi12d |
|
43 |
38 42
|
syl5ibrcom |
|
44 |
43
|
eximdv |
|
45 |
44
|
3adant3 |
|
46 |
31 45
|
mpd |
|
47 |
5 46
|
syl3an2b |
|
48 |
47
|
3com23 |
|
49 |
48
|
3expia |
|
50 |
|
topontop |
|
51 |
|
tgtop |
|
52 |
50 51
|
syl |
|
53 |
52
|
eleq2d |
|
54 |
|
eltg3 |
|
55 |
53 54
|
bitr3d |
|
56 |
55
|
adantl |
|
57 |
49 56
|
sylibrd |
|
58 |
57
|
ssrdv |
|
59 |
4 58
|
eqssd |
|