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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 6688 |
. . . . . 6
| |
| 2 | 1 | a1i 9 |
. . . . 5
|
| 3 | 0lt2o 6687 |
. . . . . 6
| |
| 4 | 3 | a1i 9 |
. . . . 5
|
| 5 | nndcel 6746 |
. . . . . 6
| |
| 6 | 5 | ancoms 268 |
. . . . 5
|
| 7 | 2, 4, 6 | ifcldcd 3664 |
. . . 4
|
| 8 | 7 | fmpttd 5837 |
. . 3
|
| 9 | 2onn 6767 |
. . . . 5
| |
| 10 | 9 | elexi 2828 |
. . . 4
|
| 11 | omex 4720 |
. . . 4
| |
| 12 | 10, 11 | elmap 6924 |
. . 3
|
| 13 | 8, 12 | sylibr 134 |
. 2
|
| 14 | ssid 3262 |
. . . . . . . . 9
| |
| 15 | iftrue 3631 |
. . . . . . . . . . 11
| |
| 16 | 15 | sseq1d 3271 |
. . . . . . . . . 10
|
| 17 | 16 | adantl 277 |
. . . . . . . . 9
|
| 18 | 14, 17 | mpbiri 168 |
. . . . . . . 8
|
| 19 | 0ss 3551 |
. . . . . . . . 9
| |
| 20 | iffalse 3634 |
. . . . . . . . . . 11
| |
| 21 | 20 | sseq1d 3271 |
. . . . . . . . . 10
|
| 22 | 21 | adantl 277 |
. . . . . . . . 9
|
| 23 | 19, 22 | mpbiri 168 |
. . . . . . . 8
|
| 24 | peano2 4722 |
. . . . . . . . . . 11
| |
| 25 | 24 | adantl 277 |
. . . . . . . . . 10
|
| 26 | simpl 109 |
. . . . . . . . . 10
| |
| 27 | nndcel 6746 |
. . . . . . . . . 10
| |
| 28 | 25, 26, 27 | syl2anc 411 |
. . . . . . . . 9
|
| 29 | exmiddc 844 |
. . . . . . . . 9
| |
| 30 | 28, 29 | syl 14 |
. . . . . . . 8
|
| 31 | 18, 23, 30 | mpjaodan 806 |
. . . . . . 7
|
| 32 | 31 | adantr 276 |
. . . . . 6
|
| 33 | iftrue 3631 |
. . . . . . 7
| |
| 34 | 33 | adantl 277 |
. . . . . 6
|
| 35 | 32, 34 | sseqtrrd 3281 |
. . . . 5
|
| 36 | ssid 3262 |
. . . . . . 7
| |
| 37 | 36 | a1i 9 |
. . . . . 6
|
| 38 | nnord 4739 |
. . . . . . . . . . . 12
| |
| 39 | ordtr 4504 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | syl 14 |
. . . . . . . . . . 11
|
| 41 | trsuc 4548 |
. . . . . . . . . . 11
| |
| 42 | 40, 41 | sylan 283 |
. . . . . . . . . 10
|
| 43 | 42 | ex 115 |
. . . . . . . . 9
|
| 44 | 43 | adantr 276 |
. . . . . . . 8
|
| 45 | 44 | con3dimp 640 |
. . . . . . 7
|
| 46 | 45, 20 | syl 14 |
. . . . . 6
|
| 47 | iffalse 3634 |
. . . . . . 7
| |
| 48 | 47 | adantl 277 |
. . . . . 6
|
| 49 | 37, 46, 48 | 3sstr4d 3287 |
. . . . 5
|
| 50 | nndcel 6746 |
. . . . . . 7
| |
| 51 | 50 | ancoms 268 |
. . . . . 6
|
| 52 | exmiddc 844 |
. . . . . 6
| |
| 53 | 51, 52 | syl 14 |
. . . . 5
|
| 54 | 35, 49, 53 | mpjaodan 806 |
. . . 4
|
| 55 | 1 | a1i 9 |
. . . . . 6
|
| 56 | 3 | a1i 9 |
. . . . . 6
|
| 57 | 55, 56, 28 | ifcldcd 3664 |
. . . . 5
|
| 58 | eleq1 2297 |
. . . . . . 7
| |
| 59 | 58 | ifbid 3648 |
. . . . . 6
|
| 60 | eqid 2234 |
. . . . . 6
| |
| 61 | 59, 60 | fvmptg 5758 |
. . . . 5
|
| 62 | 25, 57, 61 | syl2anc 411 |
. . . 4
|
| 63 | simpr 110 |
. . . . 5
| |
| 64 | 55, 56, 51 | ifcldcd 3664 |
. . . . 5
|
| 65 | eleq1 2297 |
. . . . . . 7
| |
| 66 | 65 | ifbid 3648 |
. . . . . 6
|
| 67 | 66, 60 | fvmptg 5758 |
. . . . 5
|
| 68 | 63, 64, 67 | syl2anc 411 |
. . . 4
|
| 69 | 54, 62, 68 | 3sstr4d 3287 |
. . 3
|
| 70 | 69 | ralrimiva 2617 |
. 2
|
| 71 | fveq1 5674 |
. . . . 5
| |
| 72 | fveq1 5674 |
. . . . 5
| |
| 73 | 71, 72 | sseq12d 3273 |
. . . 4
|
| 74 | 73 | ralbidv 2544 |
. . 3
|
| 75 | df-nninf 7424 |
. . 3
| |
| 76 | 74, 75 | elrab2 2979 |
. 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 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-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 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-rab 2531 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3625 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-fv 5365 df-ov 6061 df-oprab 6062 df-mpo 6063 df-1o 6660 df-2o 6661 df-map 6897 df-nninf 7424 |
| This theorem is referenced by: nnnninf2 7431 fnn0nninf 10824 nninfinf 10829 nninfsellemdc 16914 nninfsellemqall 16919 nninffeq 16924 |
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