Step |
Hyp |
Ref |
Expression |
1 |
|
cutmax.1 |
|
2 |
|
cutmax.2 |
|
3 |
|
cutmax.3 |
|
4 |
|
breq2 |
|
5 |
4
|
rexsng |
|
6 |
2 5
|
syl |
|
7 |
6
|
ralbidv |
|
8 |
3 7
|
mpbird |
|
9 |
|
simpr |
|
10 |
|
ssltss2 |
|
11 |
1 10
|
syl |
|
12 |
11
|
sselda |
|
13 |
|
slerflex |
|
14 |
12 13
|
syl |
|
15 |
|
breq1 |
|
16 |
15
|
rspcev |
|
17 |
9 14 16
|
syl2anc |
|
18 |
17
|
ralrimiva |
|
19 |
|
scutcut |
|
20 |
1 19
|
syl |
|
21 |
20
|
simp2d |
|
22 |
2
|
snssd |
|
23 |
|
sssslt1 |
|
24 |
21 22 23
|
syl2anc |
|
25 |
20
|
simp3d |
|
26 |
1 8 18 24 25
|
cofcut1d |
|