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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 6518 |
. . . . . 6
| |
| 2 | 1 | a1i 9 |
. . . . 5
|
| 3 | 0lt2o 6517 |
. . . . . 6
| |
| 4 | 3 | a1i 9 |
. . . . 5
|
| 5 | nndcel 6576 |
. . . . . 6
| |
| 6 | 5 | ancoms 268 |
. . . . 5
|
| 7 | 2, 4, 6 | ifcldcd 3607 |
. . . 4
|
| 8 | 7 | fmpttd 5729 |
. . 3
|
| 9 | 2onn 6597 |
. . . . 5
| |
| 10 | 9 | elexi 2783 |
. . . 4
|
| 11 | omex 4639 |
. . . 4
| |
| 12 | 10, 11 | elmap 6754 |
. . 3
|
| 13 | 8, 12 | sylibr 134 |
. 2
|
| 14 | ssid 3212 |
. . . . . . . . 9
| |
| 15 | iftrue 3575 |
. . . . . . . . . . 11
| |
| 16 | 15 | sseq1d 3221 |
. . . . . . . . . 10
|
| 17 | 16 | adantl 277 |
. . . . . . . . 9
|
| 18 | 14, 17 | mpbiri 168 |
. . . . . . . 8
|
| 19 | 0ss 3498 |
. . . . . . . . 9
| |
| 20 | iffalse 3578 |
. . . . . . . . . . 11
| |
| 21 | 20 | sseq1d 3221 |
. . . . . . . . . 10
|
| 22 | 21 | adantl 277 |
. . . . . . . . 9
|
| 23 | 19, 22 | mpbiri 168 |
. . . . . . . 8
|
| 24 | peano2 4641 |
. . . . . . . . . . 11
| |
| 25 | 24 | adantl 277 |
. . . . . . . . . 10
|
| 26 | simpl 109 |
. . . . . . . . . 10
| |
| 27 | nndcel 6576 |
. . . . . . . . . 10
| |
| 28 | 25, 26, 27 | syl2anc 411 |
. . . . . . . . 9
|
| 29 | exmiddc 837 |
. . . . . . . . 9
| |
| 30 | 28, 29 | syl 14 |
. . . . . . . 8
|
| 31 | 18, 23, 30 | mpjaodan 799 |
. . . . . . 7
|
| 32 | 31 | adantr 276 |
. . . . . 6
|
| 33 | iftrue 3575 |
. . . . . . 7
| |
| 34 | 33 | adantl 277 |
. . . . . 6
|
| 35 | 32, 34 | sseqtrrd 3231 |
. . . . 5
|
| 36 | ssid 3212 |
. . . . . . 7
| |
| 37 | 36 | a1i 9 |
. . . . . 6
|
| 38 | nnord 4658 |
. . . . . . . . . . . 12
| |
| 39 | ordtr 4423 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | syl 14 |
. . . . . . . . . . 11
|
| 41 | trsuc 4467 |
. . . . . . . . . . 11
| |
| 42 | 40, 41 | sylan 283 |
. . . . . . . . . 10
|
| 43 | 42 | ex 115 |
. . . . . . . . 9
|
| 44 | 43 | adantr 276 |
. . . . . . . 8
|
| 45 | 44 | con3dimp 636 |
. . . . . . 7
|
| 46 | 45, 20 | syl 14 |
. . . . . 6
|
| 47 | iffalse 3578 |
. . . . . . 7
| |
| 48 | 47 | adantl 277 |
. . . . . 6
|
| 49 | 37, 46, 48 | 3sstr4d 3237 |
. . . . 5
|
| 50 | nndcel 6576 |
. . . . . . 7
| |
| 51 | 50 | ancoms 268 |
. . . . . 6
|
| 52 | exmiddc 837 |
. . . . . 6
| |
| 53 | 51, 52 | syl 14 |
. . . . 5
|
| 54 | 35, 49, 53 | mpjaodan 799 |
. . . 4
|
| 55 | 1 | a1i 9 |
. . . . . 6
|
| 56 | 3 | a1i 9 |
. . . . . 6
|
| 57 | 55, 56, 28 | ifcldcd 3607 |
. . . . 5
|
| 58 | eleq1 2267 |
. . . . . . 7
| |
| 59 | 58 | ifbid 3591 |
. . . . . 6
|
| 60 | eqid 2204 |
. . . . . 6
| |
| 61 | 59, 60 | fvmptg 5649 |
. . . . 5
|
| 62 | 25, 57, 61 | syl2anc 411 |
. . . 4
|
| 63 | simpr 110 |
. . . . 5
| |
| 64 | 55, 56, 51 | ifcldcd 3607 |
. . . . 5
|
| 65 | eleq1 2267 |
. . . . . . 7
| |
| 66 | 65 | ifbid 3591 |
. . . . . 6
|
| 67 | 66, 60 | fvmptg 5649 |
. . . . 5
|
| 68 | 63, 64, 67 | syl2anc 411 |
. . . 4
|
| 69 | 54, 62, 68 | 3sstr4d 3237 |
. . 3
|
| 70 | 69 | ralrimiva 2578 |
. 2
|
| 71 | fveq1 5569 |
. . . . 5
| |
| 72 | fveq1 5569 |
. . . . 5
| |
| 73 | 71, 72 | sseq12d 3223 |
. . . 4
|
| 74 | 73 | ralbidv 2505 |
. . 3
|
| 75 | df-nninf 7204 |
. . 3
| |
| 76 | 74, 75 | elrab2 2931 |
. 2
|
| 77 | 13, 70, 76 | sylanbrc 417 |
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 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-13 2177 ax-14 2178 ax-ext 2186 ax-sep 4161 ax-nul 4169 ax-pow 4217 ax-pr 4252 ax-un 4478 ax-setind 4583 ax-iinf 4634 |
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1375 df-fal 1378 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-ne 2376 df-ral 2488 df-rex 2489 df-rab 2492 df-v 2773 df-sbc 2998 df-dif 3167 df-un 3169 df-in 3171 df-ss 3178 df-nul 3460 df-if 3571 df-pw 3617 df-sn 3638 df-pr 3639 df-op 3641 df-uni 3850 df-int 3885 df-br 4044 df-opab 4105 df-mpt 4106 df-tr 4142 df-id 4338 df-iord 4411 df-on 4413 df-suc 4416 df-iom 4637 df-xp 4679 df-rel 4680 df-cnv 4681 df-co 4682 df-dm 4683 df-rn 4684 df-res 4685 df-ima 4686 df-iota 5229 df-fun 5270 df-fn 5271 df-f 5272 df-fv 5276 df-ov 5937 df-oprab 5938 df-mpo 5939 df-1o 6492 df-2o 6493 df-map 6727 df-nninf 7204 |
| This theorem is referenced by: nnnninf2 7211 fnn0nninf 10564 nninfinf 10569 nninfsellemdc 15811 nninfsellemqall 15816 nninffeq 15821 |
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