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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 5930 | 
. . . . . . . . 9
 | |
| 2 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 3 | 1, 2 | eleq12d 2267 | 
. . . . . . . 8
 | 
| 4 | 3 | imbi2d 230 | 
. . . . . . 7
 | 
| 5 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 6 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 7 | 5, 6 | eleq12d 2267 | 
. . . . . . . 8
 | 
| 8 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 9 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 10 | 8, 9 | eleq12d 2267 | 
. . . . . . . 8
 | 
| 11 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 12 | oveq2 5930 | 
. . . . . . . . 9
 | |
| 13 | 11, 12 | eleq12d 2267 | 
. . . . . . . 8
 | 
| 14 | simpr 110 | 
. . . . . . . . 9
 | |
| 15 | elnn 4642 | 
. . . . . . . . . . 11
 | |
| 16 | 15 | ancoms 268 | 
. . . . . . . . . 10
 | 
| 17 | nna0 6532 | 
. . . . . . . . . 10
 | |
| 18 | 16, 17 | syl 14 | 
. . . . . . . . 9
 | 
| 19 | nna0 6532 | 
. . . . . . . . . 10
 | |
| 20 | 19 | adantr 276 | 
. . . . . . . . 9
 | 
| 21 | 14, 18, 20 | 3eltr4d 2280 | 
. . . . . . . 8
 | 
| 22 | simprl 529 | 
. . . . . . . . . . . . 13
 | |
| 23 | simpl 109 | 
. . . . . . . . . . . . 13
 | |
| 24 | nnacl 6538 | 
. . . . . . . . . . . . 13
 | |
| 25 | 22, 23, 24 | syl2anc 411 | 
. . . . . . . . . . . 12
 | 
| 26 | nnsucelsuc 6549 | 
. . . . . . . . . . . 12
 | |
| 27 | 25, 26 | syl 14 | 
. . . . . . . . . . 11
 | 
| 28 | 16 | adantl 277 | 
. . . . . . . . . . . . . 14
 | 
| 29 | nnon 4646 | 
. . . . . . . . . . . . . 14
 | |
| 30 | 28, 29 | syl 14 | 
. . . . . . . . . . . . 13
 | 
| 31 | nnon 4646 | 
. . . . . . . . . . . . . 14
 | |
| 32 | 31 | adantr 276 | 
. . . . . . . . . . . . 13
 | 
| 33 | oasuc 6522 | 
. . . . . . . . . . . . 13
 | |
| 34 | 30, 32, 33 | syl2anc 411 | 
. . . . . . . . . . . 12
 | 
| 35 | nnon 4646 | 
. . . . . . . . . . . . . 14
 | |
| 36 | 35 | ad2antrl 490 | 
. . . . . . . . . . . . 13
 | 
| 37 | oasuc 6522 | 
. . . . . . . . . . . . 13
 | |
| 38 | 36, 32, 37 | syl2anc 411 | 
. . . . . . . . . . . 12
 | 
| 39 | 34, 38 | eleq12d 2267 | 
. . . . . . . . . . 11
 | 
| 40 | 27, 39 | bitr4d 191 | 
. . . . . . . . . 10
 | 
| 41 | 40 | biimpd 144 | 
. . . . . . . . 9
 | 
| 42 | 41 | ex 115 | 
. . . . . . . 8
 | 
| 43 | 7, 10, 13, 21, 42 | finds2 4637 | 
. . . . . . 7
 | 
| 44 | 4, 43 | vtoclga 2830 | 
. . . . . 6
 | 
| 45 | 44 | imp 124 | 
. . . . 5
 | 
| 46 | 16 | adantl 277 | 
. . . . . 6
 | 
| 47 | simpl 109 | 
. . . . . 6
 | |
| 48 | nnacom 6542 | 
. . . . . 6
 | |
| 49 | 46, 47, 48 | syl2anc 411 | 
. . . . 5
 | 
| 50 | nnacom 6542 | 
. . . . . . 7
 | |
| 51 | 50 | ancoms 268 | 
. . . . . 6
 | 
| 52 | 51 | adantrr 479 | 
. . . . 5
 | 
| 53 | 45, 49, 52 | 3eltr3d 2279 | 
. . . 4
 | 
| 54 | 53 | 3impb 1201 | 
. . 3
 | 
| 55 | 54 | 3com12 1209 | 
. 2
 | 
| 56 | 55 | 3expia 1207 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-iinf 4624 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-tr 4132 df-id 4328 df-iord 4401 df-on 4403 df-suc 4406 df-iom 4627 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-recs 6363 df-irdg 6428 df-oadd 6478 | 
| This theorem is referenced by: nnaord 6567 nnmordi 6574 addclpi 7394 addnidpig 7403 archnqq 7484 prarloclemarch2 7486 prarloclemlt 7560 | 
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