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| Mirrors > Home > ILE Home > Th. List > uzind | Unicode version | ||
| Description: Induction on the upper
integers that start at |
| Ref | Expression |
|---|---|
| uzind.1 |
|
| uzind.2 |
|
| uzind.3 |
|
| uzind.4 |
|
| uzind.5 |
|
| uzind.6 |
|
| Ref | Expression |
|---|---|
| uzind |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zre 9627 |
. . . . . . . . . . 11
| |
| 2 | 1 | leidd 8832 |
. . . . . . . . . 10
|
| 3 | uzind.5 |
. . . . . . . . . 10
| |
| 4 | 2, 3 | jca 306 |
. . . . . . . . 9
|
| 5 | 4 | ancli 323 |
. . . . . . . 8
|
| 6 | breq2 4129 |
. . . . . . . . . 10
| |
| 7 | uzind.1 |
. . . . . . . . . 10
| |
| 8 | 6, 7 | anbi12d 477 |
. . . . . . . . 9
|
| 9 | 8 | elrab 2982 |
. . . . . . . 8
|
| 10 | 5, 9 | sylibr 134 |
. . . . . . 7
|
| 11 | peano2z 9659 |
. . . . . . . . . . . 12
| |
| 12 | 11 | a1i 9 |
. . . . . . . . . . 11
|
| 13 | 12 | adantrd 279 |
. . . . . . . . . 10
|
| 14 | zre 9627 |
. . . . . . . . . . . . . 14
| |
| 15 | ltp1 9164 |
. . . . . . . . . . . . . . . . 17
| |
| 16 | 15 | adantl 277 |
. . . . . . . . . . . . . . . 16
|
| 17 | peano2re 8452 |
. . . . . . . . . . . . . . . . . 18
| |
| 18 | 17 | ancli 323 |
. . . . . . . . . . . . . . . . 17
|
| 19 | lelttr 8404 |
. . . . . . . . . . . . . . . . . 18
| |
| 20 | 19 | 3expb 1235 |
. . . . . . . . . . . . . . . . 17
|
| 21 | 18, 20 | sylan2 286 |
. . . . . . . . . . . . . . . 16
|
| 22 | 16, 21 | mpan2d 432 |
. . . . . . . . . . . . . . 15
|
| 23 | ltle 8403 |
. . . . . . . . . . . . . . . 16
| |
| 24 | 17, 23 | sylan2 286 |
. . . . . . . . . . . . . . 15
|
| 25 | 22, 24 | syld 45 |
. . . . . . . . . . . . . 14
|
| 26 | 1, 14, 25 | syl2an 289 |
. . . . . . . . . . . . 13
|
| 27 | 26 | adantrd 279 |
. . . . . . . . . . . 12
|
| 28 | 27 | expimpd 363 |
. . . . . . . . . . 11
|
| 29 | uzind.6 |
. . . . . . . . . . . . 13
| |
| 30 | 29 | 3exp 1233 |
. . . . . . . . . . . 12
|
| 31 | 30 | imp4d 352 |
. . . . . . . . . . 11
|
| 32 | 28, 31 | jcad 307 |
. . . . . . . . . 10
|
| 33 | 13, 32 | jcad 307 |
. . . . . . . . 9
|
| 34 | breq2 4129 |
. . . . . . . . . . 11
| |
| 35 | uzind.2 |
. . . . . . . . . . 11
| |
| 36 | 34, 35 | anbi12d 477 |
. . . . . . . . . 10
|
| 37 | 36 | elrab 2982 |
. . . . . . . . 9
|
| 38 | breq2 4129 |
. . . . . . . . . . 11
| |
| 39 | uzind.3 |
. . . . . . . . . . 11
| |
| 40 | 38, 39 | anbi12d 477 |
. . . . . . . . . 10
|
| 41 | 40 | elrab 2982 |
. . . . . . . . 9
|
| 42 | 33, 37, 41 | 3imtr4g 205 |
. . . . . . . 8
|
| 43 | 42 | ralrimiv 2622 |
. . . . . . 7
|
| 44 | peano5uzti 9733 |
. . . . . . 7
| |
| 45 | 10, 43, 44 | mp2and 437 |
. . . . . 6
|
| 46 | 45 | sseld 3247 |
. . . . 5
|
| 47 | breq2 4129 |
. . . . . 6
| |
| 48 | 47 | elrab 2982 |
. . . . 5
|
| 49 | breq2 4129 |
. . . . . . 7
| |
| 50 | uzind.4 |
. . . . . . 7
| |
| 51 | 49, 50 | anbi12d 477 |
. . . . . 6
|
| 52 | 51 | elrab 2982 |
. . . . 5
|
| 53 | 46, 48, 52 | 3imtr3g 204 |
. . . 4
|
| 54 | 53 | 3impib 1232 |
. . 3
|
| 55 | 54 | simprd 114 |
. 2
|
| 56 | 55 | simprd 114 |
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-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-0id 8277 ax-rnegex 8278 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 ax-pre-ltadd 8285 |
| This theorem depends on definitions: df-bi 117 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-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 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-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-iota 5332 df-fun 5374 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-sub 8489 df-neg 8490 df-inn 9284 df-n0 9543 df-z 9624 |
| This theorem is referenced by: uzind2 9737 uzind3 9738 nn0ind 9739 fzind 9740 resqrexlemdecn 11756 algcvga 12807 ennnfoneleminc 13280 |
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