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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 9544 |
. . . . . . . . . . 11
| |
| 2 | 1 | leidd 8753 |
. . . . . . . . . 10
|
| 3 | uzind.5 |
. . . . . . . . . 10
| |
| 4 | 2, 3 | jca 306 |
. . . . . . . . 9
|
| 5 | 4 | ancli 323 |
. . . . . . . 8
|
| 6 | breq2 4097 |
. . . . . . . . . 10
| |
| 7 | uzind.1 |
. . . . . . . . . 10
| |
| 8 | 6, 7 | anbi12d 473 |
. . . . . . . . 9
|
| 9 | 8 | elrab 2963 |
. . . . . . . 8
|
| 10 | 5, 9 | sylibr 134 |
. . . . . . 7
|
| 11 | peano2z 9576 |
. . . . . . . . . . . 12
| |
| 12 | 11 | a1i 9 |
. . . . . . . . . . 11
|
| 13 | 12 | adantrd 279 |
. . . . . . . . . 10
|
| 14 | zre 9544 |
. . . . . . . . . . . . . 14
| |
| 15 | ltp1 9083 |
. . . . . . . . . . . . . . . . 17
| |
| 16 | 15 | adantl 277 |
. . . . . . . . . . . . . . . 16
|
| 17 | peano2re 8374 |
. . . . . . . . . . . . . . . . . 18
| |
| 18 | 17 | ancli 323 |
. . . . . . . . . . . . . . . . 17
|
| 19 | lelttr 8327 |
. . . . . . . . . . . . . . . . . 18
| |
| 20 | 19 | 3expb 1231 |
. . . . . . . . . . . . . . . . 17
|
| 21 | 18, 20 | sylan2 286 |
. . . . . . . . . . . . . . . 16
|
| 22 | 16, 21 | mpan2d 428 |
. . . . . . . . . . . . . . 15
|
| 23 | ltle 8326 |
. . . . . . . . . . . . . . . 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 1229 |
. . . . . . . . . . . 12
|
| 31 | 30 | imp4d 352 |
. . . . . . . . . . 11
|
| 32 | 28, 31 | jcad 307 |
. . . . . . . . . 10
|
| 33 | 13, 32 | jcad 307 |
. . . . . . . . 9
|
| 34 | breq2 4097 |
. . . . . . . . . . 11
| |
| 35 | uzind.2 |
. . . . . . . . . . 11
| |
| 36 | 34, 35 | anbi12d 473 |
. . . . . . . . . 10
|
| 37 | 36 | elrab 2963 |
. . . . . . . . 9
|
| 38 | breq2 4097 |
. . . . . . . . . . 11
| |
| 39 | uzind.3 |
. . . . . . . . . . 11
| |
| 40 | 38, 39 | anbi12d 473 |
. . . . . . . . . 10
|
| 41 | 40 | elrab 2963 |
. . . . . . . . 9
|
| 42 | 33, 37, 41 | 3imtr4g 205 |
. . . . . . . 8
|
| 43 | 42 | ralrimiv 2605 |
. . . . . . 7
|
| 44 | peano5uzti 9649 |
. . . . . . 7
| |
| 45 | 10, 43, 44 | mp2and 433 |
. . . . . 6
|
| 46 | 45 | sseld 3227 |
. . . . 5
|
| 47 | breq2 4097 |
. . . . . 6
| |
| 48 | 47 | elrab 2963 |
. . . . 5
|
| 49 | breq2 4097 |
. . . . . . 7
| |
| 50 | uzind.4 |
. . . . . . 7
| |
| 51 | 49, 50 | anbi12d 473 |
. . . . . 6
|
| 52 | 51 | elrab 2963 |
. . . . 5
|
| 53 | 46, 48, 52 | 3imtr3g 204 |
. . . 4
|
| 54 | 53 | 3impib 1228 |
. . 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 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-0id 8200 ax-rnegex 8201 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-ltadd 8208 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-iota 5293 df-fun 5335 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-inn 9203 df-n0 9462 df-z 9541 |
| This theorem is referenced by: uzind2 9653 uzind3 9654 nn0ind 9655 fzind 9656 resqrexlemdecn 11652 algcvga 12703 ennnfoneleminc 13112 |
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