Step |
Hyp |
Ref |
Expression |
1 |
|
sconnpi1.1 |
|
2 |
|
sconntop |
|
3 |
2
|
adantl |
|
4 |
|
simpl |
|
5 |
|
eqid |
|
6 |
|
eqid |
|
7 |
|
simpl |
|
8 |
1
|
toptopon |
|
9 |
7 8
|
sylib |
|
10 |
|
simpr |
|
11 |
5 6 9 10
|
elpi1 |
|
12 |
3 4 11
|
syl2anc |
|
13 |
|
phtpcer |
|
14 |
13
|
a1i |
|
15 |
|
simpllr |
|
16 |
|
simplr |
|
17 |
|
simprl |
|
18 |
|
simprr |
|
19 |
17 18
|
eqtr4d |
|
20 |
|
sconnpht |
|
21 |
15 16 19 20
|
syl3anc |
|
22 |
17
|
sneqd |
|
23 |
22
|
xpeq2d |
|
24 |
21 23
|
breqtrd |
|
25 |
14 24
|
erthi |
|
26 |
3 8
|
sylib |
|
27 |
|
eqid |
|
28 |
5 27
|
pi1id |
|
29 |
26 4 28
|
syl2anc |
|
30 |
29
|
ad2antrr |
|
31 |
25 30
|
eqtrd |
|
32 |
|
velsn |
|
33 |
|
eqeq1 |
|
34 |
32 33
|
syl5bb |
|
35 |
31 34
|
syl5ibrcom |
|
36 |
35
|
expimpd |
|
37 |
36
|
rexlimdva |
|
38 |
12 37
|
sylbid |
|
39 |
38
|
ssrdv |
|
40 |
5
|
pi1grp |
|
41 |
26 4 40
|
syl2anc |
|
42 |
|
eqid |
|
43 |
6 42
|
grpidcl |
|
44 |
41 43
|
syl |
|
45 |
44
|
snssd |
|
46 |
39 45
|
eqssd |
|
47 |
|
fvex |
|
48 |
47
|
ensn1 |
|
49 |
46 48
|
eqbrtrdi |
|
50 |
49
|
adantll |
|
51 |
|
simpll |
|
52 |
|
eqid |
|
53 |
|
eqid |
|
54 |
|
simplll |
|
55 |
|
pconntop |
|
56 |
54 55
|
syl |
|
57 |
56 8
|
sylib |
|
58 |
|
simprl |
|
59 |
|
iiuni |
|
60 |
59 1
|
cnf |
|
61 |
58 60
|
syl |
|
62 |
|
0elunit |
|
63 |
|
ffvelrn |
|
64 |
61 62 63
|
sylancl |
|
65 |
|
eqidd |
|
66 |
|
simprr |
|
67 |
66
|
eqcomd |
|
68 |
52 53 57 64 58 65 67
|
elpi1i |
|
69 |
|
eqid |
|
70 |
69
|
pcoptcl |
|
71 |
57 64 70
|
syl2anc |
|
72 |
71
|
simp1d |
|
73 |
71
|
simp2d |
|
74 |
71
|
simp3d |
|
75 |
52 53 57 64 72 73 74
|
elpi1i |
|
76 |
|
simpllr |
|
77 |
1 52 5 53 6
|
pconnpi1 |
|
78 |
54 64 76 77
|
syl3anc |
|
79 |
53 6
|
gicen |
|
80 |
78 79
|
syl |
|
81 |
|
simplr |
|
82 |
|
entr |
|
83 |
80 81 82
|
syl2anc |
|
84 |
|
en1eqsn |
|
85 |
75 83 84
|
syl2anc |
|
86 |
68 85
|
eleqtrd |
|
87 |
|
elsni |
|
88 |
86 87
|
syl |
|
89 |
13
|
a1i |
|
90 |
89 58
|
erth |
|
91 |
88 90
|
mpbird |
|
92 |
91
|
expr |
|
93 |
92
|
ralrimiva |
|
94 |
|
issconn |
|
95 |
51 93 94
|
sylanbrc |
|
96 |
50 95
|
impbida |
|