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Mirrors > Home > ILE Home > Th. List > hashfzo | Unicode version |
Description: Cardinality of a half-open set of integers. (Contributed by Stefan O'Rear, 15-Aug-2015.) |
Ref | Expression |
---|---|
hashfzo | ♯..^ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fzo0 10045 | . . . . . 6 ..^ | |
2 | 1 | fveq2i 5464 | . . . . 5 ♯..^ ♯ |
3 | hash0 10648 | . . . . 5 ♯ | |
4 | 2, 3 | eqtri 2175 | . . . 4 ♯..^ |
5 | eluzel2 9423 | . . . . . 6 | |
6 | 5 | zcnd 9266 | . . . . 5 |
7 | 6 | subidd 8153 | . . . 4 |
8 | 4, 7 | eqtr4id 2206 | . . 3 ♯..^ |
9 | oveq2 5822 | . . . . 5 ..^ ..^ | |
10 | 9 | fveq2d 5465 | . . . 4 ♯..^ ♯..^ |
11 | oveq1 5821 | . . . 4 | |
12 | 10, 11 | eqeq12d 2169 | . . 3 ♯..^ ♯..^ |
13 | 8, 12 | syl5ibrcom 156 | . 2 ♯..^ |
14 | eluzelz 9427 | . . . . . . 7 | |
15 | fzoval 10025 | . . . . . . 7 ..^ | |
16 | 14, 15 | syl 14 | . . . . . 6 ..^ |
17 | 16 | fveq2d 5465 | . . . . 5 ♯..^ ♯ |
18 | 17 | adantr 274 | . . . 4 ♯..^ ♯ |
19 | hashfz 10672 | . . . . 5 ♯ | |
20 | 14 | zcnd 9266 | . . . . . . . 8 |
21 | 1cnd 7873 | . . . . . . . 8 | |
22 | 20, 21, 6 | sub32d 8197 | . . . . . . 7 |
23 | 22 | oveq1d 5829 | . . . . . 6 |
24 | 20, 6 | subcld 8165 | . . . . . . 7 |
25 | ax-1cn 7804 | . . . . . . 7 | |
26 | npcan 8063 | . . . . . . 7 | |
27 | 24, 25, 26 | sylancl 410 | . . . . . 6 |
28 | 23, 27 | eqtrd 2187 | . . . . 5 |
29 | 19, 28 | sylan9eqr 2209 | . . . 4 ♯ |
30 | 18, 29 | eqtrd 2187 | . . 3 ♯..^ |
31 | 30 | ex 114 | . 2 ♯..^ |
32 | uzm1 9448 | . 2 | |
33 | 13, 31, 32 | mpjaod 708 | 1 ♯..^ |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1332 wcel 2125 c0 3390 cfv 5163 (class class class)co 5814 cc 7709 cc0 7711 c1 7712 caddc 7714 cmin 8025 cz 9146 cuz 9418 cfz 9890 ..^cfzo 10019 ♯chash 10626 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-13 2127 ax-14 2128 ax-ext 2136 ax-coll 4075 ax-sep 4078 ax-nul 4086 ax-pow 4130 ax-pr 4164 ax-un 4388 ax-setind 4490 ax-iinf 4541 ax-cnex 7802 ax-resscn 7803 ax-1cn 7804 ax-1re 7805 ax-icn 7806 ax-addcl 7807 ax-addrcl 7808 ax-mulcl 7809 ax-addcom 7811 ax-addass 7813 ax-distr 7815 ax-i2m1 7816 ax-0lt1 7817 ax-0id 7819 ax-rnegex 7820 ax-cnre 7822 ax-pre-ltirr 7823 ax-pre-ltwlin 7824 ax-pre-lttrn 7825 ax-pre-apti 7826 ax-pre-ltadd 7827 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ne 2325 df-nel 2420 df-ral 2437 df-rex 2438 df-reu 2439 df-rab 2441 df-v 2711 df-sbc 2934 df-csb 3028 df-dif 3100 df-un 3102 df-in 3104 df-ss 3111 df-nul 3391 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-int 3804 df-iun 3847 df-br 3962 df-opab 4022 df-mpt 4023 df-tr 4059 df-id 4248 df-iord 4321 df-on 4323 df-ilim 4324 df-suc 4326 df-iom 4544 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-rn 4590 df-res 4591 df-ima 4592 df-iota 5128 df-fun 5165 df-fn 5166 df-f 5167 df-f1 5168 df-fo 5169 df-f1o 5170 df-fv 5171 df-riota 5770 df-ov 5817 df-oprab 5818 df-mpo 5819 df-1st 6078 df-2nd 6079 df-recs 6242 df-frec 6328 df-1o 6353 df-er 6469 df-en 6675 df-dom 6676 df-fin 6677 df-pnf 7893 df-mnf 7894 df-xr 7895 df-ltxr 7896 df-le 7897 df-sub 8027 df-neg 8028 df-inn 8813 df-n0 9070 df-z 9147 df-uz 9419 df-fz 9891 df-fzo 10020 df-ihash 10627 |
This theorem is referenced by: hashfzo0 10674 |
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