Step |
Hyp |
Ref |
Expression |
1 |
|
simpl1 |
|
2 |
|
metxmet |
|
3 |
1 2
|
syl |
|
4 |
|
simpl2 |
|
5 |
|
simpl3 |
|
6 |
|
rexr |
|
7 |
6
|
ad2antrl |
|
8 |
|
simprl |
|
9 |
8 8
|
rexaddd |
|
10 |
8
|
recnd |
|
11 |
10
|
2timesd |
|
12 |
9 11
|
eqtr4d |
|
13 |
|
id |
|
14 |
|
metcl |
|
15 |
|
2re |
|
16 |
|
2pos |
|
17 |
15 16
|
pm3.2i |
|
18 |
|
lemuldiv2 |
|
19 |
17 18
|
mp3an3 |
|
20 |
13 14 19
|
syl2anr |
|
21 |
20
|
biimprd |
|
22 |
21
|
impr |
|
23 |
12 22
|
eqbrtrd |
|
24 |
|
bldisj |
|
25 |
3 4 5 7 7 23 24
|
syl33anc |
|