Step |
Hyp |
Ref |
Expression |
1 |
|
submacs.b |
|
2 |
|
eqid |
|
3 |
|
eqid |
|
4 |
1 2 3
|
issubm |
|
5 |
|
velpw |
|
6 |
5
|
anbi1i |
|
7 |
|
3anass |
|
8 |
6 7
|
bitr4i |
|
9 |
4 8
|
bitr4di |
|
10 |
9
|
abbi2dv |
|
11 |
|
df-rab |
|
12 |
10 11
|
eqtr4di |
|
13 |
|
inrab |
|
14 |
1
|
fvexi |
|
15 |
|
mreacs |
|
16 |
14 15
|
mp1i |
|
17 |
1 2
|
mndidcl |
|
18 |
|
acsfn0 |
|
19 |
14 17 18
|
sylancr |
|
20 |
1 3
|
mndcl |
|
21 |
20
|
3expb |
|
22 |
21
|
ralrimivva |
|
23 |
|
acsfn2 |
|
24 |
14 22 23
|
sylancr |
|
25 |
|
mreincl |
|
26 |
16 19 24 25
|
syl3anc |
|
27 |
13 26
|
eqeltrrid |
|
28 |
12 27
|
eqeltrd |
|