Description: C^n conditions are ordered by strength. (Contributed by Stefan O'Rear, 16-Nov-2014) (Revised by Mario Carneiro, 11-Feb-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | cpnord | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 | |
|
2 | 1 | sseq1d | |
3 | 2 | imbi2d | |
4 | fveq2 | |
|
5 | 4 | sseq1d | |
6 | 5 | imbi2d | |
7 | fveq2 | |
|
8 | 7 | sseq1d | |
9 | 8 | imbi2d | |
10 | fveq2 | |
|
11 | 10 | sseq1d | |
12 | 11 | imbi2d | |
13 | ssid | |
|
14 | 13 | 2a1i | |
15 | simprl | |
|
16 | recnprss | |
|
17 | 16 | ad2antrr | |
18 | 17 | adantr | |
19 | simplll | |
|
20 | eluznn0 | |
|
21 | 20 | adantll | |
22 | 21 | adantr | |
23 | dvnf | |
|
24 | 19 15 22 23 | syl3anc | |
25 | dvnbss | |
|
26 | 19 15 22 25 | syl3anc | |
27 | dvnp1 | |
|
28 | 18 15 22 27 | syl3anc | |
29 | simprr | |
|
30 | 28 29 | eqeltrrd | |
31 | cncff | |
|
32 | 30 31 | syl | |
33 | 32 | fdmd | |
34 | cnex | |
|
35 | elpm2g | |
|
36 | 34 19 35 | sylancr | |
37 | 15 36 | mpbid | |
38 | 37 | simprd | |
39 | 26 38 | sstrd | |
40 | 18 24 39 | dvbss | |
41 | 33 40 | eqsstrrd | |
42 | 26 41 | eqssd | |
43 | 42 | feq2d | |
44 | 24 43 | mpbid | |
45 | dvcn | |
|
46 | 18 44 38 33 45 | syl31anc | |
47 | 15 46 | jca | |
48 | 47 | ex | |
49 | peano2nn0 | |
|
50 | 21 49 | syl | |
51 | elcpn | |
|
52 | 17 50 51 | syl2anc | |
53 | elcpn | |
|
54 | 17 21 53 | syl2anc | |
55 | 48 52 54 | 3imtr4d | |
56 | 55 | ssrdv | |
57 | sstr2 | |
|
58 | 56 57 | syl | |
59 | 58 | expcom | |
60 | 59 | a2d | |
61 | 3 6 9 12 14 60 | uzind4 | |
62 | 61 | com12 | |
63 | 62 | 3impia | |