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| Mirrors > Home > ILE Home > Th. List > elfz2nn0 | Unicode version | ||
| Description: Membership in a finite set of sequential nonnegative integers. (Contributed by NM, 16-Sep-2005.) (Revised by Mario Carneiro, 28-Apr-2015.) |
| Ref | Expression |
|---|---|
| elfz2nn0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elnn0uz 9943 |
. . . 4
| |
| 2 | 1 | anbi1i 462 |
. . 3
|
| 3 | eluznn0 9982 |
. . . . . 6
| |
| 4 | eluzle 9917 |
. . . . . . 7
| |
| 5 | 4 | adantl 277 |
. . . . . 6
|
| 6 | 3, 5 | jca 306 |
. . . . 5
|
| 7 | nn0z 9647 |
. . . . . . . 8
| |
| 8 | nn0z 9647 |
. . . . . . . 8
| |
| 9 | eluz 9918 |
. . . . . . . 8
| |
| 10 | 7, 8, 9 | syl2an 289 |
. . . . . . 7
|
| 11 | 10 | biimprd 158 |
. . . . . 6
|
| 12 | 11 | impr 379 |
. . . . 5
|
| 13 | 6, 12 | impbida 604 |
. . . 4
|
| 14 | 13 | pm5.32i 458 |
. . 3
|
| 15 | 2, 14 | bitr3i 186 |
. 2
|
| 16 | elfzuzb 10405 |
. 2
| |
| 17 | 3anass 1013 |
. 2
| |
| 18 | 15, 16, 17 | 3bitr4i 212 |
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 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-ltadd 8289 |
| This proof 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 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-inn 9288 df-n0 9547 df-z 9628 df-uz 9905 df-fz 10395 |
| This theorem is used by: elfznn0 10504 elfz3nn0 10505 0elfz 10508 fz0to3un2pr 10513 elfz0ubfz0 10515 elfz0fzfz0 10516 fz0fzelfz0 10517 uzsubfz0 10519 fz0fzdiffz0 10520 elfzmlbm 10521 elfzmlbp 10522 difelfzle 10524 difelfznle 10525 fzofzim 10583 elfzodifsumelfzo 10602 elfzom1elp1fzo 10603 fzo0to42pr 10621 fzo0sn0fzo1 10622 fvinim0ffz 10643 bcm1n 11190 1elfz0hash 11230 swrdlen2 11417 swrdfv2 11418 pfxn0 11443 pfxeq 11451 swrdswrdlem 11459 swrdswrd 11460 swrdccatin1 11480 pfxccatin12lem1 11483 pfxccatin12lem2 11486 pfxccatin12lem3 11487 pfxccatin12 11488 pfxccat3 11489 swrdccat 11490 pfxccat3a 11493 swrdccat3blem 11494 prm23lt5 13025 ballotfilemth 13264 lgsquadlem2 16180 konigsbergiedgwen 16708 konigsberglem1 16712 konigsberglem2 16713 konigsberglem3 16714 konigsberglem4 16715 |
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