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| Mirrors > Home > ILE Home > Th. List > nnaordi | Unicode version | ||
| Description: Ordering property of addition. Proposition 8.4 of [TakeutiZaring] p. 58, limited to natural numbers. (Contributed by NM, 3-Feb-1996.) (Revised by Mario Carneiro, 15-Nov-2014.) |
| Ref | Expression |
|---|---|
| nnaordi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 6093 |
. . . . . . . . 9
| |
| 2 | oveq2 6093 |
. . . . . . . . 9
| |
| 3 | 1, 2 | eleq12d 2309 |
. . . . . . . 8
|
| 4 | 3 | imbi2d 230 |
. . . . . . 7
|
| 5 | oveq2 6093 |
. . . . . . . . 9
| |
| 6 | oveq2 6093 |
. . . . . . . . 9
| |
| 7 | 5, 6 | eleq12d 2309 |
. . . . . . . 8
|
| 8 | oveq2 6093 |
. . . . . . . . 9
| |
| 9 | oveq2 6093 |
. . . . . . . . 9
| |
| 10 | 8, 9 | eleq12d 2309 |
. . . . . . . 8
|
| 11 | oveq2 6093 |
. . . . . . . . 9
| |
| 12 | oveq2 6093 |
. . . . . . . . 9
| |
| 13 | 11, 12 | eleq12d 2309 |
. . . . . . . 8
|
| 14 | simpr 110 |
. . . . . . . . 9
| |
| 15 | elnn 4753 |
. . . . . . . . . . 11
| |
| 16 | 15 | ancoms 268 |
. . . . . . . . . 10
|
| 17 | nna0 6747 |
. . . . . . . . . 10
| |
| 18 | 16, 17 | syl 14 |
. . . . . . . . 9
|
| 19 | nna0 6747 |
. . . . . . . . . 10
| |
| 20 | 19 | adantr 276 |
. . . . . . . . 9
|
| 21 | 14, 18, 20 | 3eltr4d 2322 |
. . . . . . . 8
|
| 22 | simprl 535 |
. . . . . . . . . . . . 13
| |
| 23 | simpl 109 |
. . . . . . . . . . . . 13
| |
| 24 | nnacl 6753 |
. . . . . . . . . . . . 13
| |
| 25 | 22, 23, 24 | syl2anc 415 |
. . . . . . . . . . . 12
|
| 26 | nnsucelsuc 6764 |
. . . . . . . . . . . 12
| |
| 27 | 25, 26 | syl 14 |
. . . . . . . . . . 11
|
| 28 | 16 | adantl 277 |
. . . . . . . . . . . . . 14
|
| 29 | nnon 4757 |
. . . . . . . . . . . . . 14
| |
| 30 | 28, 29 | syl 14 |
. . . . . . . . . . . . 13
|
| 31 | nnon 4757 |
. . . . . . . . . . . . . 14
| |
| 32 | 31 | adantr 276 |
. . . . . . . . . . . . 13
|
| 33 | oasuc 6737 |
. . . . . . . . . . . . 13
| |
| 34 | 30, 32, 33 | syl2anc 415 |
. . . . . . . . . . . 12
|
| 35 | nnon 4757 |
. . . . . . . . . . . . . 14
| |
| 36 | 35 | ad2antrl 494 |
. . . . . . . . . . . . 13
|
| 37 | oasuc 6737 |
. . . . . . . . . . . . 13
| |
| 38 | 36, 32, 37 | syl2anc 415 |
. . . . . . . . . . . 12
|
| 39 | 34, 38 | eleq12d 2309 |
. . . . . . . . . . 11
|
| 40 | 27, 39 | bitr4d 191 |
. . . . . . . . . 10
|
| 41 | 40 | biimpd 144 |
. . . . . . . . 9
|
| 42 | 41 | ex 115 |
. . . . . . . 8
|
| 43 | 7, 10, 13, 21, 42 | finds2 4748 |
. . . . . . 7
|
| 44 | 4, 43 | vtoclga 2889 |
. . . . . 6
|
| 45 | 44 | imp 124 |
. . . . 5
|
| 46 | 16 | adantl 277 |
. . . . . 6
|
| 47 | simpl 109 |
. . . . . 6
| |
| 48 | nnacom 6757 |
. . . . . 6
| |
| 49 | 46, 47, 48 | syl2anc 415 |
. . . . 5
|
| 50 | nnacom 6757 |
. . . . . . 7
| |
| 51 | 50 | ancoms 268 |
. . . . . 6
|
| 52 | 51 | adantrr 483 |
. . . . 5
|
| 53 | 45, 49, 52 | 3eltr3d 2321 |
. . . 4
|
| 54 | 53 | 3impb 1230 |
. . 3
|
| 55 | 54 | 3com12 1238 |
. 2
|
| 56 | 55 | 3expia 1236 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-iord 4511 df-on 4513 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-recs 6576 df-irdg 6641 df-oadd 6691 |
| This theorem is used by: nnaord 6782 nnmordi 6789 addclpi 7694 addnidpig 7703 archnqq 7784 prarloclemarch2 7786 prarloclemlt 7860 |
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