Step |
Hyp |
Ref |
Expression |
1 |
|
coe1mul.s |
|
2 |
|
coe1mul.t |
|
3 |
|
coe1mul.u |
|
4 |
|
coe1mul.b |
|
5 |
|
id |
|
6 |
1 4
|
ply1bascl |
|
7 |
1 4
|
ply1bascl |
|
8 |
|
eqid |
|
9 |
|
eqid |
|
10 |
|
eqid |
|
11 |
1 9 2
|
ply1mulr |
|
12 |
9 10 11
|
mplmulr |
|
13 |
|
eqid |
|
14 |
8 10 13
|
psr1mulr |
|
15 |
12 14
|
eqtr4i |
|
16 |
|
eqid |
|
17 |
8 15 3 16
|
coe1mul2 |
|
18 |
5 6 7 17
|
syl3an |
|