Step |
Hyp |
Ref |
Expression |
1 |
|
metakunt2.1 |
|
2 |
|
metakunt2.2 |
|
3 |
|
metakunt2.3 |
|
4 |
|
metakunt2.4 |
|
5 |
|
eleq1 |
|
6 |
|
eleq1 |
|
7 |
|
1zzd |
|
8 |
1
|
nnzd |
|
9 |
8
|
ad2antrr |
|
10 |
2
|
nnzd |
|
11 |
10
|
ad2antrr |
|
12 |
2
|
nnge1d |
|
13 |
12
|
ad2antrr |
|
14 |
3
|
ad2antrr |
|
15 |
7 9 11 13 14
|
elfzd |
|
16 |
|
eleq1 |
|
17 |
|
eleq1 |
|
18 |
|
simpllr |
|
19 |
|
1zzd |
|
20 |
8
|
ad2antrr |
|
21 |
|
elfznn |
|
22 |
21
|
nnzd |
|
23 |
22
|
ad2antlr |
|
24 |
23
|
peano2zd |
|
25 |
|
0p1e1 |
|
26 |
|
0red |
|
27 |
21
|
nnred |
|
28 |
|
1red |
|
29 |
21
|
nnnn0d |
|
30 |
29
|
nn0ge0d |
|
31 |
26 27 28 30
|
leadd1dd |
|
32 |
25 31
|
eqbrtrrid |
|
33 |
32
|
ad2antlr |
|
34 |
|
simplr |
|
35 |
|
neqne |
|
36 |
35
|
adantl |
|
37 |
34 36
|
fzne2d |
|
38 |
37
|
adantrr |
|
39 |
22
|
adantl |
|
40 |
8
|
adantr |
|
41 |
39 40
|
zltp1led |
|
42 |
41
|
adantr |
|
43 |
38 42
|
mpbid |
|
44 |
19 20 24 33 43
|
elfzd |
|
45 |
44
|
anassrs |
|
46 |
16 17 18 45
|
ifbothda |
|
47 |
5 6 15 46
|
ifbothda |
|
48 |
47 4
|
fmptd |
|