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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 6715 |
. . . . . 6
| |
| 2 | 1 | a1i 9 |
. . . . 5
|
| 3 | 0lt2o 6714 |
. . . . . 6
| |
| 4 | 3 | a1i 9 |
. . . . 5
|
| 5 | nndcel 6773 |
. . . . . 6
| |
| 6 | 5 | ancoms 268 |
. . . . 5
|
| 7 | 2, 4, 6 | ifcldcd 3678 |
. . . 4
|
| 8 | 7 | fmpttd 5863 |
. . 3
|
| 9 | 2onn 6794 |
. . . . 5
| |
| 10 | 9 | elexi 2834 |
. . . 4
|
| 11 | omex 4740 |
. . . 4
| |
| 12 | 10, 11 | elmap 6958 |
. . 3
|
| 13 | 8, 12 | sylibr 134 |
. 2
|
| 14 | ssid 3268 |
. . . . . . . . 9
| |
| 15 | iftrue 3645 |
. . . . . . . . . . 11
| |
| 16 | 15 | sseq1d 3277 |
. . . . . . . . . 10
|
| 17 | 16 | adantl 277 |
. . . . . . . . 9
|
| 18 | 14, 17 | mpbiri 168 |
. . . . . . . 8
|
| 19 | 0ss 3561 |
. . . . . . . . 9
| |
| 20 | iffalse 3648 |
. . . . . . . . . . 11
| |
| 21 | 20 | sseq1d 3277 |
. . . . . . . . . 10
|
| 22 | 21 | adantl 277 |
. . . . . . . . 9
|
| 23 | 19, 22 | mpbiri 168 |
. . . . . . . 8
|
| 24 | peano2 4742 |
. . . . . . . . . . 11
| |
| 25 | 24 | adantl 277 |
. . . . . . . . . 10
|
| 26 | simpl 109 |
. . . . . . . . . 10
| |
| 27 | nndcel 6773 |
. . . . . . . . . 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 3645 |
. . . . . . 7
| |
| 34 | 33 | adantl 277 |
. . . . . 6
|
| 35 | 32, 34 | sseqtrrd 3287 |
. . . . 5
|
| 36 | ssid 3268 |
. . . . . . 7
| |
| 37 | 36 | a1i 9 |
. . . . . 6
|
| 38 | nnord 4759 |
. . . . . . . . . . . 12
| |
| 39 | ordtr 4523 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | syl 14 |
. . . . . . . . . . 11
|
| 41 | trsuc 4567 |
. . . . . . . . . . 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 3648 |
. . . . . . 7
| |
| 48 | 47 | adantl 277 |
. . . . . 6
|
| 49 | 37, 46, 48 | 3sstr4d 3293 |
. . . . 5
|
| 50 | nndcel 6773 |
. . . . . . 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 3678 |
. . . . 5
|
| 58 | eleq1 2301 |
. . . . . . 7
| |
| 59 | 58 | ifbid 3662 |
. . . . . 6
|
| 60 | eqid 2238 |
. . . . . 6
| |
| 61 | 59, 60 | fvmptg 5781 |
. . . . 5
|
| 62 | 25, 57, 61 | syl2anc 415 |
. . . 4
|
| 63 | simpr 110 |
. . . . 5
| |
| 64 | 55, 56, 51 | ifcldcd 3678 |
. . . . 5
|
| 65 | eleq1 2301 |
. . . . . . 7
| |
| 66 | 65 | ifbid 3662 |
. . . . . 6
|
| 67 | 66, 60 | fvmptg 5781 |
. . . . 5
|
| 68 | 63, 64, 67 | syl2anc 415 |
. . . 4
|
| 69 | 54, 62, 68 | 3sstr4d 3293 |
. . 3
|
| 70 | 69 | ralrimiva 2623 |
. 2
|
| 71 | fveq1 5694 |
. . . . 5
| |
| 72 | fveq1 5694 |
. . . . 5
| |
| 73 | 71, 72 | sseq12d 3279 |
. . . 4
|
| 74 | 73 | ralbidv 2550 |
. . 3
|
| 75 | df-nninf 7460 |
. . 3
| |
| 76 | 74, 75 | elrab2 2985 |
. 2
|
| 77 | 13, 70, 76 | sylanbrc 421 |
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-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-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 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 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-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1o 6687 df-2o 6688 df-map 6924 df-nninf 7460 |
| This theorem is used by: nnnninf2 7467 fnn0nninf 10875 nninfinf 10880 nninfsellemdc 17053 nninfsellemqall 17058 nninffeq 17063 |
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