Step |
Hyp |
Ref |
Expression |
1 |
|
pssss |
|
2 |
|
ssralv |
|
3 |
1 2
|
syl |
|
4 |
3
|
impcom |
|
5 |
4
|
adantrr |
|
6 |
5
|
ad2ant2lr |
|
7 |
|
psseq2 |
|
8 |
7
|
anbi1d |
|
9 |
|
elequ2 |
|
10 |
8 9
|
imbi12d |
|
11 |
10
|
albidv |
|
12 |
11
|
rspccv |
|
13 |
6 12
|
syl |
|
14 |
13
|
imp |
|
15 |
|
eldifi |
|
16 |
|
psseq2 |
|
17 |
16
|
anbi1d |
|
18 |
|
elequ2 |
|
19 |
17 18
|
imbi12d |
|
20 |
19
|
albidv |
|
21 |
20
|
rspcv |
|
22 |
15 21
|
syl |
|
23 |
|
psseq1 |
|
24 |
|
treq |
|
25 |
23 24
|
anbi12d |
|
26 |
|
elequ1 |
|
27 |
25 26
|
imbi12d |
|
28 |
27
|
cbvalvw |
|
29 |
22 28
|
syl6ib |
|
30 |
29
|
impcom |
|
31 |
30
|
ad2ant2l |
|
32 |
31
|
adantr |
|
33 |
|
vex |
|
34 |
|
vex |
|
35 |
33 34
|
dfon2lem5 |
|
36 |
|
3orrot |
|
37 |
|
3orass |
|
38 |
36 37
|
bitri |
|
39 |
|
eleq1a |
|
40 |
|
elndif |
|
41 |
39 40
|
nsyli |
|
42 |
41
|
imp |
|
43 |
42
|
adantll |
|
44 |
43
|
adantll |
|
45 |
|
orel1 |
|
46 |
|
trss |
|
47 |
|
eldifn |
|
48 |
|
ssel |
|
49 |
48
|
con3d |
|
50 |
47 49
|
syl5com |
|
51 |
46 50
|
syl9 |
|
52 |
51
|
adantl |
|
53 |
52
|
imp31 |
|
54 |
53
|
adantll |
|
55 |
|
orel1 |
|
56 |
54 55
|
syl |
|
57 |
45 56
|
syl9r |
|
58 |
44 57
|
mpd |
|
59 |
38 58
|
syl5bi |
|
60 |
35 59
|
syl5 |
|
61 |
14 32 60
|
mp2and |
|
62 |
61
|
ex |
|
63 |
62
|
ssrdv |
|
64 |
|
dfpss2 |
|
65 |
|
psseq1 |
|
66 |
|
treq |
|
67 |
65 66
|
anbi12d |
|
68 |
|
elequ1 |
|
69 |
67 68
|
imbi12d |
|
70 |
69
|
spvv |
|
71 |
70
|
expd |
|
72 |
71
|
com23 |
|
73 |
22 72
|
syl6 |
|
74 |
73
|
com3l |
|
75 |
74
|
adantld |
|
76 |
75
|
adantl |
|
77 |
76
|
imp32 |
|
78 |
64 77
|
syl5bir |
|
79 |
63 78
|
mpand |
|
80 |
79
|
orrd |
|
81 |
80
|
anassrs |
|
82 |
81
|
ralrimiva |
|
83 |
|
pssdif |
|
84 |
|
r19.2z |
|
85 |
84
|
ex |
|
86 |
83 85
|
syl |
|
87 |
86
|
ad2antrl |
|
88 |
|
eleq1w |
|
89 |
15 88
|
syl5ibr |
|
90 |
89
|
a1i |
|
91 |
|
trel |
|
92 |
91
|
expd |
|
93 |
15 92
|
syl7 |
|
94 |
93
|
ad2antrr |
|
95 |
90 94
|
jaod |
|
96 |
95
|
com23 |
|
97 |
96
|
rexlimdv |
|
98 |
87 97
|
syld |
|
99 |
82 98
|
mpd |
|
100 |
99
|
ex |
|
101 |
100
|
alrimiv |
|