Step |
Hyp |
Ref |
Expression |
1 |
|
mat1dim.a |
|
2 |
|
mat1dim.b |
|
3 |
|
mat1dim.o |
|
4 |
|
snfi |
|
5 |
|
simpl |
|
6 |
1 2
|
matbas2 |
|
7 |
6
|
eqcomd |
|
8 |
7
|
eleq2d |
|
9 |
4 5 8
|
sylancr |
|
10 |
2
|
fvexi |
|
11 |
|
snex |
|
12 |
11 11
|
pm3.2i |
|
13 |
|
xpexg |
|
14 |
12 13
|
mp1i |
|
15 |
|
elmapg |
|
16 |
10 14 15
|
sylancr |
|
17 |
9 16
|
bitrd |
|
18 |
|
xpsng |
|
19 |
18
|
anidms |
|
20 |
19
|
adantl |
|
21 |
20
|
feq2d |
|
22 |
|
opex |
|
23 |
22
|
fsn2 |
|
24 |
|
risset |
|
25 |
|
eqcom |
|
26 |
25
|
rexbii |
|
27 |
24 26
|
sylbb |
|
28 |
27
|
ad2antrl |
|
29 |
|
eqeq1 |
|
30 |
|
opex |
|
31 |
|
sneqbg |
|
32 |
30 31
|
ax-mp |
|
33 |
|
eqid |
|
34 |
|
vex |
|
35 |
22 34
|
opth2 |
|
36 |
33 35
|
mpbiran |
|
37 |
32 36
|
bitri |
|
38 |
29 37
|
bitrdi |
|
39 |
38
|
adantl |
|
40 |
39
|
adantl |
|
41 |
40
|
rexbidv |
|
42 |
28 41
|
mpbird |
|
43 |
42
|
ex |
|
44 |
23 43
|
syl5bi |
|
45 |
21 44
|
sylbid |
|
46 |
|
f1o2sn |
|
47 |
|
f1of |
|
48 |
46 47
|
syl |
|
49 |
48
|
adantll |
|
50 |
|
snssi |
|
51 |
50
|
adantl |
|
52 |
49 51
|
fssd |
|
53 |
|
feq1 |
|
54 |
52 53
|
syl5ibrcom |
|
55 |
54
|
rexlimdva |
|
56 |
45 55
|
impbid |
|
57 |
3
|
eqcomi |
|
58 |
57
|
opeq1i |
|
59 |
58
|
sneqi |
|
60 |
59
|
eqeq2i |
|
61 |
60
|
a1i |
|
62 |
61
|
rexbidv |
|
63 |
56 62
|
bitrd |
|
64 |
17 63
|
bitrd |
|