Step |
Hyp |
Ref |
Expression |
1 |
|
eqid |
|
2 |
1
|
xrs1mnd |
|
3 |
|
xrge0cmn |
|
4 |
|
cmnmnd |
|
5 |
3 4
|
ax-mp |
|
6 |
|
mnflt0 |
|
7 |
|
mnfxr |
|
8 |
|
0xr |
|
9 |
|
xrltnle |
|
10 |
7 8 9
|
mp2an |
|
11 |
6 10
|
mpbi |
|
12 |
11
|
intnan |
|
13 |
|
elxrge0 |
|
14 |
12 13
|
mtbir |
|
15 |
|
difsn |
|
16 |
14 15
|
ax-mp |
|
17 |
|
iccssxr |
|
18 |
|
ssdif |
|
19 |
17 18
|
ax-mp |
|
20 |
16 19
|
eqsstrri |
|
21 |
|
0e0iccpnf |
|
22 |
|
difss |
|
23 |
|
df-ss |
|
24 |
22 23
|
mpbi |
|
25 |
|
xrex |
|
26 |
|
difexg |
|
27 |
25 26
|
ax-mp |
|
28 |
|
xrsbas |
|
29 |
1 28
|
ressbas |
|
30 |
27 29
|
ax-mp |
|
31 |
24 30
|
eqtr3i |
|
32 |
1
|
xrs10 |
|
33 |
|
ovex |
|
34 |
|
ressress |
|
35 |
27 33 34
|
mp2an |
|
36 |
|
dfss |
|
37 |
20 36
|
mpbi |
|
38 |
|
incom |
|
39 |
37 38
|
eqtr2i |
|
40 |
39
|
oveq2i |
|
41 |
35 40
|
eqtr2i |
|
42 |
31 32 41
|
submnd0 |
|
43 |
2 5 20 21 42
|
mp4an |
|