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Mirrors > Home > ILE Home > Th. List > nnawordex | Unicode version |
Description: Equivalence for weak ordering of natural numbers. (Contributed by NM, 8-Nov-2002.) (Revised by Mario Carneiro, 15-Nov-2014.) |
Ref | Expression |
---|---|
nnawordex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nntri3or 6072 | . . . . 5 | |
2 | 1 | 3adant3 924 | . . . 4 |
3 | nnaordex 6100 | . . . . . . 7 | |
4 | simpr 103 | . . . . . . . 8 | |
5 | 4 | reximi 2416 | . . . . . . 7 |
6 | 3, 5 | syl6bi 152 | . . . . . 6 |
7 | 6 | 3adant3 924 | . . . . 5 |
8 | nna0 6053 | . . . . . . . 8 | |
9 | 8 | 3ad2ant1 925 | . . . . . . 7 |
10 | eqeq2 2049 | . . . . . . 7 | |
11 | 9, 10 | syl5ibcom 144 | . . . . . 6 |
12 | peano1 4317 | . . . . . . 7 | |
13 | oveq2 5520 | . . . . . . . . 9 | |
14 | 13 | eqeq1d 2048 | . . . . . . . 8 |
15 | 14 | rspcev 2656 | . . . . . . 7 |
16 | 12, 15 | mpan 400 | . . . . . 6 |
17 | 11, 16 | syl6 29 | . . . . 5 |
18 | nntri1 6074 | . . . . . . 7 | |
19 | 18 | biimp3a 1235 | . . . . . 6 |
20 | 19 | pm2.21d 549 | . . . . 5 |
21 | 7, 17, 20 | 3jaod 1199 | . . . 4 |
22 | 2, 21 | mpd 13 | . . 3 |
23 | 22 | 3expia 1106 | . 2 |
24 | nnaword1 6086 | . . . . 5 | |
25 | sseq2 2967 | . . . . 5 | |
26 | 24, 25 | syl5ibcom 144 | . . . 4 |
27 | 26 | rexlimdva 2433 | . . 3 |
28 | 27 | adantr 261 | . 2 |
29 | 23, 28 | impbid 120 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 97 wb 98 w3o 884 w3a 885 wceq 1243 wcel 1393 wrex 2307 wss 2917 c0 3224 com 4313 (class class class)co 5512 coa 5998 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-coll 3872 ax-sep 3875 ax-nul 3883 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-setind 4262 ax-iinf 4311 |
This theorem depends on definitions: df-bi 110 df-3or 886 df-3an 887 df-tru 1246 df-fal 1249 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ne 2206 df-ral 2311 df-rex 2312 df-reu 2313 df-rab 2315 df-v 2559 df-sbc 2765 df-csb 2853 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-nul 3225 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-int 3616 df-iun 3659 df-br 3765 df-opab 3819 df-mpt 3820 df-tr 3855 df-id 4030 df-iord 4103 df-on 4105 df-suc 4108 df-iom 4314 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-f1 4907 df-fo 4908 df-f1o 4909 df-fv 4910 df-ov 5515 df-oprab 5516 df-mpt2 5517 df-1st 5767 df-2nd 5768 df-recs 5920 df-irdg 5957 df-1o 6001 df-oadd 6005 |
This theorem is referenced by: prarloclemn 6597 |
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