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Mirrors > Home > ILE Home > Th. List > nnwetri | Unicode version |
Description: A natural number is well-ordered by . More specifically, this order both satisfies and is trichotomous. (Contributed by Jim Kingdon, 25-Sep-2021.) |
Ref | Expression |
---|---|
nnwetri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnord 4334 | . . 3 | |
2 | ordwe 4300 | . . 3 | |
3 | 1, 2 | syl 14 | . 2 |
4 | simprl 483 | . . . . 5 | |
5 | simpl 102 | . . . . 5 | |
6 | elnn 4328 | . . . . 5 | |
7 | 4, 5, 6 | syl2anc 391 | . . . 4 |
8 | simprr 484 | . . . . 5 | |
9 | elnn 4328 | . . . . 5 | |
10 | 8, 5, 9 | syl2anc 391 | . . . 4 |
11 | nntri3or 6072 | . . . . 5 | |
12 | epel 4029 | . . . . . 6 | |
13 | biid 160 | . . . . . 6 | |
14 | epel 4029 | . . . . . 6 | |
15 | 12, 13, 14 | 3orbi123i 1094 | . . . . 5 |
16 | 11, 15 | sylibr 137 | . . . 4 |
17 | 7, 10, 16 | syl2anc 391 | . . 3 |
18 | 17 | ralrimivva 2401 | . 2 |
19 | 3, 18 | jca 290 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 w3o 884 wcel 1393 wral 2306 class class class wbr 3764 cep 4024 wwe 4067 word 4099 com 4313 |
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-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-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 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-br 3765 df-opab 3819 df-tr 3855 df-eprel 4026 df-frfor 4068 df-frind 4069 df-wetr 4071 df-iord 4103 df-on 4105 df-suc 4108 df-iom 4314 |
This theorem is referenced by: (None) |
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