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| Mirrors > Home > ILE Home > Th. List > nnnninf | Unicode version | ||
| Description: Elements of
ℕ∞ corresponding to natural numbers. The natural
number |
| Ref | Expression |
|---|---|
| nnnninf |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2o 6705 |
. . . . . 6
| |
| 2 | 1 | a1i 9 |
. . . . 5
|
| 3 | 0lt2o 6704 |
. . . . . 6
| |
| 4 | 3 | a1i 9 |
. . . . 5
|
| 5 | nndcel 6763 |
. . . . . 6
| |
| 6 | 5 | ancoms 268 |
. . . . 5
|
| 7 | 2, 4, 6 | ifcldcd 3675 |
. . . 4
|
| 8 | 7 | fmpttd 5854 |
. . 3
|
| 9 | 2onn 6784 |
. . . . 5
| |
| 10 | 9 | elexi 2834 |
. . . 4
|
| 11 | omex 4735 |
. . . 4
| |
| 12 | 10, 11 | elmap 6948 |
. . 3
|
| 13 | 8, 12 | sylibr 134 |
. 2
|
| 14 | ssid 3268 |
. . . . . . . . 9
| |
| 15 | iftrue 3642 |
. . . . . . . . . . 11
| |
| 16 | 15 | sseq1d 3277 |
. . . . . . . . . 10
|
| 17 | 16 | adantl 277 |
. . . . . . . . 9
|
| 18 | 14, 17 | mpbiri 168 |
. . . . . . . 8
|
| 19 | 0ss 3561 |
. . . . . . . . 9
| |
| 20 | iffalse 3645 |
. . . . . . . . . . 11
| |
| 21 | 20 | sseq1d 3277 |
. . . . . . . . . 10
|
| 22 | 21 | adantl 277 |
. . . . . . . . 9
|
| 23 | 19, 22 | mpbiri 168 |
. . . . . . . 8
|
| 24 | peano2 4737 |
. . . . . . . . . . 11
| |
| 25 | 24 | adantl 277 |
. . . . . . . . . 10
|
| 26 | simpl 109 |
. . . . . . . . . 10
| |
| 27 | nndcel 6763 |
. . . . . . . . . 10
| |
| 28 | 25, 26, 27 | syl2anc 415 |
. . . . . . . . 9
|
| 29 | exmiddc 848 |
. . . . . . . . 9
| |
| 30 | 28, 29 | syl 14 |
. . . . . . . 8
|
| 31 | 18, 23, 30 | mpjaodan 810 |
. . . . . . 7
|
| 32 | 31 | adantr 276 |
. . . . . 6
|
| 33 | iftrue 3642 |
. . . . . . 7
| |
| 34 | 33 | adantl 277 |
. . . . . 6
|
| 35 | 32, 34 | sseqtrrd 3287 |
. . . . 5
|
| 36 | ssid 3268 |
. . . . . . 7
| |
| 37 | 36 | a1i 9 |
. . . . . 6
|
| 38 | nnord 4754 |
. . . . . . . . . . . 12
| |
| 39 | ordtr 4518 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | syl 14 |
. . . . . . . . . . 11
|
| 41 | trsuc 4562 |
. . . . . . . . . . 11
| |
| 42 | 40, 41 | sylan 283 |
. . . . . . . . . 10
|
| 43 | 42 | ex 115 |
. . . . . . . . 9
|
| 44 | 43 | adantr 276 |
. . . . . . . 8
|
| 45 | 44 | con3dimp 644 |
. . . . . . 7
|
| 46 | 45, 20 | syl 14 |
. . . . . 6
|
| 47 | iffalse 3645 |
. . . . . . 7
| |
| 48 | 47 | adantl 277 |
. . . . . 6
|
| 49 | 37, 46, 48 | 3sstr4d 3293 |
. . . . 5
|
| 50 | nndcel 6763 |
. . . . . . 7
| |
| 51 | 50 | ancoms 268 |
. . . . . 6
|
| 52 | exmiddc 848 |
. . . . . 6
| |
| 53 | 51, 52 | syl 14 |
. . . . 5
|
| 54 | 35, 49, 53 | mpjaodan 810 |
. . . 4
|
| 55 | 1 | a1i 9 |
. . . . . 6
|
| 56 | 3 | a1i 9 |
. . . . . 6
|
| 57 | 55, 56, 28 | ifcldcd 3675 |
. . . . 5
|
| 58 | eleq1 2301 |
. . . . . . 7
| |
| 59 | 58 | ifbid 3659 |
. . . . . 6
|
| 60 | eqid 2238 |
. . . . . 6
| |
| 61 | 59, 60 | fvmptg 5775 |
. . . . 5
|
| 62 | 25, 57, 61 | syl2anc 415 |
. . . 4
|
| 63 | simpr 110 |
. . . . 5
| |
| 64 | 55, 56, 51 | ifcldcd 3675 |
. . . . 5
|
| 65 | eleq1 2301 |
. . . . . . 7
| |
| 66 | 65 | ifbid 3659 |
. . . . . 6
|
| 67 | 66, 60 | fvmptg 5775 |
. . . . 5
|
| 68 | 63, 64, 67 | syl2anc 415 |
. . . 4
|
| 69 | 54, 62, 68 | 3sstr4d 3293 |
. . 3
|
| 70 | 69 | ralrimiva 2623 |
. 2
|
| 71 | fveq1 5689 |
. . . . 5
| |
| 72 | fveq1 5689 |
. . . . 5
| |
| 73 | 71, 72 | sseq12d 3279 |
. . . 4
|
| 74 | 73 | ralbidv 2550 |
. . 3
|
| 75 | df-nninf 7450 |
. . 3
| |
| 76 | 74, 75 | elrab2 2985 |
. 2
|
| 77 | 13, 70, 76 | sylanbrc 421 |
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 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-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 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-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3636 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1o 6677 df-2o 6678 df-map 6914 df-nninf 7450 |
| This theorem is referenced by: nnnninf2 7457 fnn0nninf 10853 nninfinf 10858 nninfsellemdc 16958 nninfsellemqall 16963 nninffeq 16968 |
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