Step |
Hyp |
Ref |
Expression |
1 |
|
stle.1 |
|
2 |
|
stle.2 |
|
3 |
|
stm1add3.3 |
|
4 |
|
stcl |
|
5 |
1 4
|
mpi |
|
6 |
5
|
recnd |
|
7 |
|
stcl |
|
8 |
2 7
|
mpi |
|
9 |
8
|
recnd |
|
10 |
|
stcl |
|
11 |
3 10
|
mpi |
|
12 |
11
|
recnd |
|
13 |
6 9 12
|
addassd |
|
14 |
13
|
eqeq1d |
|
15 |
|
eqcom |
|
16 |
8 11
|
readdcld |
|
17 |
5 16
|
readdcld |
|
18 |
|
ltne |
|
19 |
18
|
ex |
|
20 |
17 19
|
syl |
|
21 |
20
|
necon2bd |
|
22 |
15 21
|
syl5bi |
|
23 |
|
1re |
|
24 |
23 23
|
readdcli |
|
25 |
24
|
a1i |
|
26 |
|
1red |
|
27 |
|
stle1 |
|
28 |
2 27
|
mpi |
|
29 |
|
stle1 |
|
30 |
3 29
|
mpi |
|
31 |
8 11 26 26 28 30
|
le2addd |
|
32 |
16 25 5 31
|
leadd2dd |
|
33 |
32
|
adantr |
|
34 |
|
ltadd1 |
|
35 |
34
|
biimpd |
|
36 |
5 26 25 35
|
syl3anc |
|
37 |
36
|
imp |
|
38 |
|
readdcl |
|
39 |
5 24 38
|
sylancl |
|
40 |
23 24
|
readdcli |
|
41 |
40
|
a1i |
|
42 |
|
lelttr |
|
43 |
17 39 41 42
|
syl3anc |
|
44 |
43
|
adantr |
|
45 |
33 37 44
|
mp2and |
|
46 |
|
df-3 |
|
47 |
|
df-2 |
|
48 |
47
|
oveq1i |
|
49 |
|
ax-1cn |
|
50 |
49 49 49
|
addassi |
|
51 |
46 48 50
|
3eqtrri |
|
52 |
45 51
|
breqtrdi |
|
53 |
52
|
ex |
|
54 |
53
|
con3d |
|
55 |
|
stle1 |
|
56 |
1 55
|
mpi |
|
57 |
|
leloe |
|
58 |
5 23 57
|
sylancl |
|
59 |
56 58
|
mpbid |
|
60 |
59
|
ord |
|
61 |
22 54 60
|
3syld |
|
62 |
14 61
|
sylbid |
|