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| Mirrors > Home > ILE Home > Th. List > resqrexlemgt0 | Unicode version | ||
| Description: Lemma for resqrex 11792. A limit is nonnegative. (Contributed by Jim Kingdon, 7-Aug-2021.) |
| Ref | Expression |
|---|---|
| resqrexlemex.seq |
|
| resqrexlemex.a |
|
| resqrexlemex.agt0 |
|
| resqrexlemgt0.rr |
|
| resqrexlemgt0.lim |
|
| Ref | Expression |
|---|---|
| resqrexlemgt0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 6093 |
. . . . . . . . 9
| |
| 2 | 1 | breq2d 4142 |
. . . . . . . 8
|
| 3 | oveq2 6093 |
. . . . . . . . 9
| |
| 4 | 3 | breq2d 4142 |
. . . . . . . 8
|
| 5 | 2, 4 | anbi12d 477 |
. . . . . . 7
|
| 6 | 5 | rexralbidv 2576 |
. . . . . 6
|
| 7 | resqrexlemgt0.lim |
. . . . . . 7
| |
| 8 | 7 | adantr 276 |
. . . . . 6
|
| 9 | resqrexlemgt0.rr |
. . . . . . . . 9
| |
| 10 | 9 | adantr 276 |
. . . . . . . 8
|
| 11 | 10 | renegcld 8707 |
. . . . . . 7
|
| 12 | 9 | lt0neg1d 8843 |
. . . . . . . 8
|
| 13 | 12 | biimpa 296 |
. . . . . . 7
|
| 14 | 11, 13 | elrpd 10094 |
. . . . . 6
|
| 15 | 6, 8, 14 | rspcdva 2934 |
. . . . 5
|
| 16 | simpl 109 |
. . . . . . . 8
| |
| 17 | 10 | recnd 8354 |
. . . . . . . . . 10
|
| 18 | 17 | negidd 8627 |
. . . . . . . . 9
|
| 19 | 18 | breq2d 4142 |
. . . . . . . 8
|
| 20 | 16, 19 | imbitrid 154 |
. . . . . . 7
|
| 21 | 20 | ralimdv 2618 |
. . . . . 6
|
| 22 | 21 | reximdv 2651 |
. . . . 5
|
| 23 | 15, 22 | mpd 13 |
. . . 4
|
| 24 | 0red 8327 |
. . . . . . . . . . 11
| |
| 25 | eluznn 10000 |
. . . . . . . . . . . . 13
| |
| 26 | resqrexlemex.seq |
. . . . . . . . . . . . . . 15
| |
| 27 | resqrexlemex.a |
. . . . . . . . . . . . . . 15
| |
| 28 | resqrexlemex.agt0 |
. . . . . . . . . . . . . . 15
| |
| 29 | 26, 27, 28 | resqrexlemf 11773 |
. . . . . . . . . . . . . 14
|
| 30 | 29 | ffvelcdmda 5843 |
. . . . . . . . . . . . 13
|
| 31 | 25, 30 | sylan2 286 |
. . . . . . . . . . . 12
|
| 32 | 31 | rpred 10097 |
. . . . . . . . . . 11
|
| 33 | 31 | rpgt0d 10100 |
. . . . . . . . . . 11
|
| 34 | 24, 32, 33 | ltnsymd 8446 |
. . . . . . . . . 10
|
| 35 | 34 | pm2.21d 628 |
. . . . . . . . 9
|
| 36 | 35 | anassrs 404 |
. . . . . . . 8
|
| 37 | 36 | ralimdva 2617 |
. . . . . . 7
|
| 38 | nnz 9663 |
. . . . . . . . 9
| |
| 39 | uzid 9936 |
. . . . . . . . . 10
| |
| 40 | elex2 2838 |
. . . . . . . . . 10
| |
| 41 | r19.3rmv 3618 |
. . . . . . . . . 10
| |
| 42 | 39, 40, 41 | 3syl 17 |
. . . . . . . . 9
|
| 43 | 38, 42 | syl 14 |
. . . . . . . 8
|
| 44 | 43 | adantl 277 |
. . . . . . 7
|
| 45 | 37, 44 | sylibrd 169 |
. . . . . 6
|
| 46 | 45 | rexlimdva 2668 |
. . . . 5
|
| 47 | 46 | adantr 276 |
. . . 4
|
| 48 | 23, 47 | mpd 13 |
. . 3
|
| 49 | 48 | inegd 1421 |
. 2
|
| 50 | 0re 8326 |
. . 3
| |
| 51 | lenlt 8401 |
. . 3
| |
| 52 | 50, 9, 51 | sylancr 418 |
. 2
|
| 53 | 49, 52 | mpbird 167 |
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-coll 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulrcl 8278 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-precex 8289 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-apti 8294 ax-pre-ltadd 8295 ax-pre-mulgt0 8296 ax-pre-mulext 8297 |
| 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-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-po 4441 df-iso 4442 df-iord 4511 df-on 4513 df-ilim 4514 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-recs 6576 df-frec 6662 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8499 df-neg 8500 df-reap 8903 df-ap 8910 df-div 9003 df-inn 9305 df-2 9363 df-n0 9564 df-z 9645 df-uz 9922 df-rp 10055 df-seqfrec 10885 |
| This theorem is used by: resqrexlemglsq 11788 resqrexlemex 11791 |
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