Step |
Hyp |
Ref |
Expression |
1 |
|
xpcbas.t |
|
2 |
|
xpcbas.x |
|
3 |
|
xpcbas.y |
|
4 |
|
eqid |
|
5 |
|
eqid |
|
6 |
|
eqid |
|
7 |
|
eqid |
|
8 |
|
simpl |
|
9 |
|
simpr |
|
10 |
|
eqidd |
|
11 |
|
eqidd |
|
12 |
|
eqidd |
|
13 |
1 2 3 4 5 6 7 8 9 10 11 12
|
xpcval |
|
14 |
2
|
fvexi |
|
15 |
3
|
fvexi |
|
16 |
14 15
|
xpex |
|
17 |
16
|
a1i |
|
18 |
13 17
|
estrreslem1 |
|
19 |
|
base0 |
|
20 |
|
fvprc |
|
21 |
2 20
|
syl5eq |
|
22 |
|
fvprc |
|
23 |
3 22
|
syl5eq |
|
24 |
21 23
|
orim12i |
|
25 |
|
ianor |
|
26 |
|
xpeq0 |
|
27 |
24 25 26
|
3imtr4i |
|
28 |
|
fnxpc |
|
29 |
|
fndm |
|
30 |
28 29
|
ax-mp |
|
31 |
30
|
ndmov |
|
32 |
1 31
|
syl5eq |
|
33 |
32
|
fveq2d |
|
34 |
19 27 33
|
3eqtr4a |
|
35 |
18 34
|
pm2.61i |
|