Step |
Hyp |
Ref |
Expression |
1 |
|
dgrle.1 |
|
2 |
|
dgrle.2 |
|
3 |
|
dgrle.3 |
|
4 |
|
dgrle.4 |
|
5 |
|
simpll |
|
6 |
|
simpr |
|
7 |
|
simplr |
|
8 |
|
nn0uz |
|
9 |
7 8
|
eleqtrdi |
|
10 |
2
|
nn0zd |
|
11 |
10
|
ad2antrr |
|
12 |
|
elfz5 |
|
13 |
9 11 12
|
syl2anc |
|
14 |
6 13
|
mpbird |
|
15 |
5 14 3
|
syl2anc |
|
16 |
|
0cnd |
|
17 |
15 16
|
ifclda |
|
18 |
17
|
fmpttd |
|
19 |
|
simpr |
|
20 |
|
eqid |
|
21 |
20
|
fvmpt2 |
|
22 |
19 17 21
|
syl2anc |
|
23 |
22
|
neeq1d |
|
24 |
|
iffalse |
|
25 |
24
|
necon1ai |
|
26 |
23 25
|
syl6bi |
|
27 |
26
|
ralrimiva |
|
28 |
|
nfv |
|
29 |
|
nffvmpt1 |
|
30 |
|
nfcv |
|
31 |
29 30
|
nfne |
|
32 |
|
nfv |
|
33 |
31 32
|
nfim |
|
34 |
|
fveq2 |
|
35 |
34
|
neeq1d |
|
36 |
|
breq1 |
|
37 |
35 36
|
imbi12d |
|
38 |
28 33 37
|
cbvralw |
|
39 |
27 38
|
sylib |
|
40 |
|
plyco0 |
|
41 |
2 18 40
|
syl2anc |
|
42 |
39 41
|
mpbird |
|
43 |
|
nfcv |
|
44 |
|
nfcv |
|
45 |
|
nfcv |
|
46 |
29 44 45
|
nfov |
|
47 |
|
oveq2 |
|
48 |
34 47
|
oveq12d |
|
49 |
43 46 48
|
cbvsumi |
|
50 |
|
elfznn0 |
|
51 |
50
|
adantl |
|
52 |
|
elfzle2 |
|
53 |
52
|
adantl |
|
54 |
53
|
iftrued |
|
55 |
3
|
adantlr |
|
56 |
54 55
|
eqeltrd |
|
57 |
51 56 21
|
syl2anc |
|
58 |
57 54
|
eqtrd |
|
59 |
58
|
oveq1d |
|
60 |
59
|
sumeq2dv |
|
61 |
49 60
|
syl5eqr |
|
62 |
61
|
mpteq2dva |
|
63 |
4 62
|
eqtr4d |
|
64 |
1 2 18 42 63
|
coeeq |
|