Step |
Hyp |
Ref |
Expression |
1 |
|
frr.1 |
|
2 |
|
eqid |
|
3 |
2
|
frrlem1 |
|
4 |
3 1
|
frrlem15 |
|
5 |
3 1 4
|
frrlem9 |
|
6 |
|
eqid |
|
7 |
|
simpl |
|
8 |
|
predres |
|
9 |
|
relres |
|
10 |
|
ssttrcl |
|
11 |
|
predrelss |
|
12 |
9 10 11
|
mp2b |
|
13 |
8 12
|
eqsstri |
|
14 |
13
|
a1i |
|
15 |
|
frrlem16 |
|
16 |
|
ttrclse |
|
17 |
|
setlikespec |
|
18 |
17
|
ancoms |
|
19 |
16 18
|
sylan |
|
20 |
19
|
adantll |
|
21 |
|
predss |
|
22 |
21
|
a1i |
|
23 |
|
difss |
|
24 |
|
frmin |
|
25 |
23 24
|
mpanr1 |
|
26 |
3 1 4 6 7 14 15 20 22 25
|
frrlem14 |
|
27 |
|
df-fn |
|
28 |
5 26 27
|
sylanbrc |
|