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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 6060 |
. . . . . . . . 9
| |
| 2 | oveq2 6060 |
. . . . . . . . 9
| |
| 3 | 1, 2 | eleq12d 2305 |
. . . . . . . 8
|
| 4 | 3 | imbi2d 230 |
. . . . . . 7
|
| 5 | oveq2 6060 |
. . . . . . . . 9
| |
| 6 | oveq2 6060 |
. . . . . . . . 9
| |
| 7 | 5, 6 | eleq12d 2305 |
. . . . . . . 8
|
| 8 | oveq2 6060 |
. . . . . . . . 9
| |
| 9 | oveq2 6060 |
. . . . . . . . 9
| |
| 10 | 8, 9 | eleq12d 2305 |
. . . . . . . 8
|
| 11 | oveq2 6060 |
. . . . . . . . 9
| |
| 12 | oveq2 6060 |
. . . . . . . . 9
| |
| 13 | 11, 12 | eleq12d 2305 |
. . . . . . . 8
|
| 14 | simpr 110 |
. . . . . . . . 9
| |
| 15 | elnn 4730 |
. . . . . . . . . . 11
| |
| 16 | 15 | ancoms 268 |
. . . . . . . . . 10
|
| 17 | nna0 6709 |
. . . . . . . . . 10
| |
| 18 | 16, 17 | syl 14 |
. . . . . . . . 9
|
| 19 | nna0 6709 |
. . . . . . . . . 10
| |
| 20 | 19 | adantr 276 |
. . . . . . . . 9
|
| 21 | 14, 18, 20 | 3eltr4d 2318 |
. . . . . . . 8
|
| 22 | simprl 531 |
. . . . . . . . . . . . 13
| |
| 23 | simpl 109 |
. . . . . . . . . . . . 13
| |
| 24 | nnacl 6715 |
. . . . . . . . . . . . 13
| |
| 25 | 22, 23, 24 | syl2anc 411 |
. . . . . . . . . . . 12
|
| 26 | nnsucelsuc 6726 |
. . . . . . . . . . . 12
| |
| 27 | 25, 26 | syl 14 |
. . . . . . . . . . 11
|
| 28 | 16 | adantl 277 |
. . . . . . . . . . . . . 14
|
| 29 | nnon 4734 |
. . . . . . . . . . . . . 14
| |
| 30 | 28, 29 | syl 14 |
. . . . . . . . . . . . 13
|
| 31 | nnon 4734 |
. . . . . . . . . . . . . 14
| |
| 32 | 31 | adantr 276 |
. . . . . . . . . . . . 13
|
| 33 | oasuc 6699 |
. . . . . . . . . . . . 13
| |
| 34 | 30, 32, 33 | syl2anc 411 |
. . . . . . . . . . . 12
|
| 35 | nnon 4734 |
. . . . . . . . . . . . . 14
| |
| 36 | 35 | ad2antrl 490 |
. . . . . . . . . . . . 13
|
| 37 | oasuc 6699 |
. . . . . . . . . . . . 13
| |
| 38 | 36, 32, 37 | syl2anc 411 |
. . . . . . . . . . . 12
|
| 39 | 34, 38 | eleq12d 2305 |
. . . . . . . . . . 11
|
| 40 | 27, 39 | bitr4d 191 |
. . . . . . . . . 10
|
| 41 | 40 | biimpd 144 |
. . . . . . . . 9
|
| 42 | 41 | ex 115 |
. . . . . . . 8
|
| 43 | 7, 10, 13, 21, 42 | finds2 4725 |
. . . . . . 7
|
| 44 | 4, 43 | vtoclga 2883 |
. . . . . 6
|
| 45 | 44 | imp 124 |
. . . . 5
|
| 46 | 16 | adantl 277 |
. . . . . 6
|
| 47 | simpl 109 |
. . . . . 6
| |
| 48 | nnacom 6719 |
. . . . . 6
| |
| 49 | 46, 47, 48 | syl2anc 411 |
. . . . 5
|
| 50 | nnacom 6719 |
. . . . . . 7
| |
| 51 | 50 | ancoms 268 |
. . . . . 6
|
| 52 | 51 | adantrr 479 |
. . . . 5
|
| 53 | 45, 49, 52 | 3eltr3d 2317 |
. . . 4
|
| 54 | 53 | 3impb 1226 |
. . 3
|
| 55 | 54 | 3com12 1234 |
. 2
|
| 56 | 55 | 3expia 1232 |
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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4227 ax-sep 4230 ax-nul 4238 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-iinf 4712 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-iun 3995 df-br 4112 df-opab 4174 df-mpt 4175 df-tr 4211 df-id 4416 df-iord 4489 df-on 4491 df-suc 4494 df-iom 4715 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-f1 5359 df-fo 5360 df-f1o 5361 df-fv 5362 df-ov 6055 df-oprab 6056 df-mpo 6057 df-1st 6336 df-2nd 6337 df-recs 6538 df-irdg 6603 df-oadd 6653 |
| This theorem is referenced by: nnaord 6744 nnmordi 6751 addclpi 7644 addnidpig 7653 archnqq 7734 prarloclemarch2 7736 prarloclemlt 7810 |
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