Step |
Hyp |
Ref |
Expression |
1 |
|
znle2.y |
|
2 |
|
znle2.f |
|
3 |
|
znle2.w |
|
4 |
|
znle2.l |
|
5 |
|
znleval.x |
|
6 |
1 2 3 4
|
znle2 |
|
7 |
|
relco |
|
8 |
|
relssdmrn |
|
9 |
7 8
|
ax-mp |
|
10 |
|
dmcoss |
|
11 |
|
df-rn |
|
12 |
1 5 2 3
|
znf1o |
|
13 |
|
f1ofo |
|
14 |
|
forn |
|
15 |
12 13 14
|
3syl |
|
16 |
11 15
|
eqtr3id |
|
17 |
10 16
|
sseqtrid |
|
18 |
|
rncoss |
|
19 |
|
rncoss |
|
20 |
19 15
|
sseqtrid |
|
21 |
18 20
|
sstrid |
|
22 |
|
xpss12 |
|
23 |
17 21 22
|
syl2anc |
|
24 |
9 23
|
sstrid |
|
25 |
6 24
|
eqsstrd |
|
26 |
25
|
ssbrd |
|
27 |
|
brxp |
|
28 |
26 27
|
syl6ib |
|
29 |
28
|
pm4.71rd |
|
30 |
6
|
adantr |
|
31 |
30
|
breqd |
|
32 |
|
brcog |
|
33 |
32
|
adantl |
|
34 |
|
eqcom |
|
35 |
12
|
adantr |
|
36 |
|
f1ocnv |
|
37 |
|
f1ofn |
|
38 |
35 36 37
|
3syl |
|
39 |
|
simprl |
|
40 |
|
fnbrfvb |
|
41 |
38 39 40
|
syl2anc |
|
42 |
34 41
|
bitr2id |
|
43 |
42
|
anbi1d |
|
44 |
43
|
exbidv |
|
45 |
33 44
|
bitrd |
|
46 |
|
fvex |
|
47 |
|
breq1 |
|
48 |
46 47
|
ceqsexv |
|
49 |
|
simprr |
|
50 |
|
brcog |
|
51 |
46 49 50
|
sylancr |
|
52 |
|
fvex |
|
53 |
|
breq2 |
|
54 |
52 53
|
ceqsexv |
|
55 |
|
eqcom |
|
56 |
|
fnbrfvb |
|
57 |
38 49 56
|
syl2anc |
|
58 |
55 57
|
syl5bb |
|
59 |
|
vex |
|
60 |
|
brcnvg |
|
61 |
49 59 60
|
sylancl |
|
62 |
58 61
|
bitrd |
|
63 |
62
|
anbi1d |
|
64 |
63
|
biancomd |
|
65 |
64
|
exbidv |
|
66 |
54 65
|
bitr3id |
|
67 |
51 66
|
bitr4d |
|
68 |
48 67
|
syl5bb |
|
69 |
31 45 68
|
3bitrd |
|
70 |
69
|
pm5.32da |
|
71 |
|
df-3an |
|
72 |
70 71
|
bitr4di |
|
73 |
29 72
|
bitrd |
|