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| Mirrors > Home > ILE Home > Th. List > fzrevral | Unicode version | ||
| Description: Reversal of scanning order inside of a quantification over a finite set of sequential integers. (Contributed by NM, 25-Nov-2005.) |
| Ref | Expression |
|---|---|
| fzrevral |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpr 110 |
. . . . . . . 8
| |
| 2 | elfzelz 10359 |
. . . . . . . . 9
| |
| 3 | fzrev 10418 |
. . . . . . . . . 10
| |
| 4 | 3 | anassrs 400 |
. . . . . . . . 9
|
| 5 | 2, 4 | sylan2 286 |
. . . . . . . 8
|
| 6 | 1, 5 | mpbid 147 |
. . . . . . 7
|
| 7 | rspsbc 3126 |
. . . . . . 7
| |
| 8 | 6, 7 | syl 14 |
. . . . . 6
|
| 9 | 8 | ex 115 |
. . . . 5
|
| 10 | 9 | 3impa 1221 |
. . . 4
|
| 11 | 10 | com23 78 |
. . 3
|
| 12 | 11 | ralrimdv 2621 |
. 2
|
| 13 | nfv 1577 |
. . . 4
| |
| 14 | nfcv 2384 |
. . . . 5
| |
| 15 | nfsbc1v 3061 |
. . . . 5
| |
| 16 | 14, 15 | nfralxy 2580 |
. . . 4
|
| 17 | fzrev2i 10420 |
. . . . . . . 8
| |
| 18 | oveq2 6058 |
. . . . . . . . . 10
| |
| 19 | 18 | sbceq1d 3047 |
. . . . . . . . 9
|
| 20 | 19 | rspcv 2917 |
. . . . . . . 8
|
| 21 | 17, 20 | syl 14 |
. . . . . . 7
|
| 22 | zcn 9582 |
. . . . . . . . . 10
| |
| 23 | elfzelz 10359 |
. . . . . . . . . . 11
| |
| 24 | 23 | zcnd 9701 |
. . . . . . . . . 10
|
| 25 | nncan 8502 |
. . . . . . . . . 10
| |
| 26 | 22, 24, 25 | syl2an 289 |
. . . . . . . . 9
|
| 27 | 26 | eqcomd 2238 |
. . . . . . . 8
|
| 28 | sbceq1a 3052 |
. . . . . . . 8
| |
| 29 | 27, 28 | syl 14 |
. . . . . . 7
|
| 30 | 21, 29 | sylibrd 169 |
. . . . . 6
|
| 31 | 30 | ex 115 |
. . . . 5
|
| 32 | 31 | com23 78 |
. . . 4
|
| 33 | 13, 16, 32 | ralrimd 2620 |
. . 3
|
| 34 | 33 | 3ad2ant3 1047 |
. 2
|
| 35 | 12, 34 | impbid 129 |
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 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1cn 8220 ax-1re 8221 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-addcom 8227 ax-addass 8229 ax-distr 8231 ax-i2m1 8232 ax-0lt1 8233 ax-0id 8235 ax-rnegex 8236 ax-cnre 8238 ax-pre-ltirr 8239 ax-pre-ltwlin 8240 ax-pre-lttrn 8241 ax-pre-ltadd 8243 |
| 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 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2815 df-sbc 3043 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-iota 5312 df-fun 5354 df-fn 5355 df-f 5356 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 df-sub 8446 df-neg 8447 df-inn 9238 df-n0 9497 df-z 9578 df-uz 9854 df-fz 10343 |
| This theorem is referenced by: fzrevral2 10440 fzrevral3 10441 fzshftral 10442 |
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