Step |
Hyp |
Ref |
Expression |
1 |
|
lmat22.m |
|
2 |
|
lmat22.a |
|
3 |
|
lmat22.b |
|
4 |
|
lmat22.c |
|
5 |
|
lmat22.d |
|
6 |
|
simpr |
|
7 |
6
|
fveq2d |
|
8 |
2 3
|
s2cld |
|
9 |
|
s2fv0 |
|
10 |
8 9
|
syl |
|
11 |
10
|
adantr |
|
12 |
7 11
|
eqtrd |
|
13 |
12
|
fveq2d |
|
14 |
|
s2len |
|
15 |
13 14
|
eqtrdi |
|
16 |
15
|
adantlr |
|
17 |
|
simpr |
|
18 |
17
|
fveq2d |
|
19 |
4 5
|
s2cld |
|
20 |
|
s2fv1 |
|
21 |
19 20
|
syl |
|
22 |
21
|
adantr |
|
23 |
18 22
|
eqtrd |
|
24 |
23
|
fveq2d |
|
25 |
|
s2len |
|
26 |
24 25
|
eqtrdi |
|
27 |
26
|
adantlr |
|
28 |
|
fzo0to2pr |
|
29 |
28
|
eleq2i |
|
30 |
|
vex |
|
31 |
30
|
elpr |
|
32 |
29 31
|
bitri |
|
33 |
32
|
biimpi |
|
34 |
33
|
adantl |
|
35 |
16 27 34
|
mpjaodan |
|