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| Mirrors > Home > ILE Home > Th. List > pw2dvds | Unicode version | ||
| Description: A natural number has a highest power of two which divides it. (Contributed by Jim Kingdon, 14-Nov-2021.) |
| Ref | Expression |
|---|---|
| pw2dvds |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 19 |
. 2
| |
| 2 | 2nn 9348 |
. . . 4
| |
| 3 | nnnn0 9452 |
. . . 4
| |
| 4 | nnexpcl 10858 |
. . . 4
| |
| 5 | 2, 3, 4 | sylancr 414 |
. . 3
|
| 6 | 1zzd 9549 |
. . . 4
| |
| 7 | 2z 9550 |
. . . . . 6
| |
| 8 | zexpcl 10860 |
. . . . . 6
| |
| 9 | 7, 3, 8 | sylancr 414 |
. . . . 5
|
| 10 | 9, 6 | zsubcld 9650 |
. . . 4
|
| 11 | nnz 9541 |
. . . 4
| |
| 12 | nnge1 9209 |
. . . 4
| |
| 13 | uzid 9813 |
. . . . . . 7
| |
| 14 | 7, 13 | ax-mp 5 |
. . . . . 6
|
| 15 | bernneq3 10968 |
. . . . . 6
| |
| 16 | 14, 3, 15 | sylancr 414 |
. . . . 5
|
| 17 | zltlem1 9580 |
. . . . . 6
| |
| 18 | 11, 9, 17 | syl2anc 411 |
. . . . 5
|
| 19 | 16, 18 | mpbid 147 |
. . . 4
|
| 20 | elfz4 10296 |
. . . 4
| |
| 21 | 6, 10, 11, 12, 19, 20 | syl32anc 1282 |
. . 3
|
| 22 | fzm1ndvds 12478 |
. . 3
| |
| 23 | 5, 21, 22 | syl2anc 411 |
. 2
|
| 24 | pw2dvdslemn 12798 |
. 2
| |
| 25 | 1, 23, 24 | mpd3an23 1376 |
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-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 ax-pre-mulext 8193 ax-arch 8194 |
| This theorem depends on definitions: df-bi 117 df-dc 843 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-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-id 4396 df-po 4399 df-iso 4400 df-iord 4469 df-on 4471 df-ilim 4472 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-recs 6514 df-frec 6600 df-pnf 8259 df-mnf 8260 df-xr 8261 df-ltxr 8262 df-le 8263 df-sub 8395 df-neg 8396 df-reap 8798 df-ap 8805 df-div 8896 df-inn 9187 df-2 9245 df-n0 9446 df-z 9523 df-uz 9799 df-q 9897 df-rp 9932 df-fz 10287 df-fl 10574 df-mod 10629 df-seqfrec 10754 df-exp 10845 df-dvds 12410 |
| This theorem is referenced by: pw2dvdseu 12801 oddpwdclemdvds 12803 oddpwdclemndvds 12804 |
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