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Mirrors > Home > ILE Home > Th. List > dvdsfac | Unicode version |
Description: A positive integer divides any greater factorial. (Contributed by Paul Chapman, 28-Nov-2012.) |
Ref | Expression |
---|---|
dvdsfac |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 5198 | . . . . 5 | |
2 | 1 | breq2d 3797 | . . . 4 |
3 | 2 | imbi2d 228 | . . 3 |
4 | fveq2 5198 | . . . . 5 | |
5 | 4 | breq2d 3797 | . . . 4 |
6 | 5 | imbi2d 228 | . . 3 |
7 | fveq2 5198 | . . . . 5 | |
8 | 7 | breq2d 3797 | . . . 4 |
9 | 8 | imbi2d 228 | . . 3 |
10 | fveq2 5198 | . . . . 5 | |
11 | 10 | breq2d 3797 | . . . 4 |
12 | 11 | imbi2d 228 | . . 3 |
13 | nnm1nn0 8329 | . . . . . . . 8 | |
14 | faccl 9662 | . . . . . . . 8 | |
15 | 13, 14 | syl 14 | . . . . . . 7 |
16 | 15 | nnzd 8468 | . . . . . 6 |
17 | nnz 8370 | . . . . . 6 | |
18 | dvdsmul2 10218 | . . . . . 6 | |
19 | 16, 17, 18 | syl2anc 403 | . . . . 5 |
20 | facnn2 9661 | . . . . 5 | |
21 | 19, 20 | breqtrrd 3811 | . . . 4 |
22 | 21 | a1i 9 | . . 3 |
23 | 17 | adantl 271 | . . . . . . 7 |
24 | elnnuz 8655 | . . . . . . . . . . . 12 | |
25 | uztrn 8635 | . . . . . . . . . . . 12 | |
26 | 24, 25 | sylan2b 281 | . . . . . . . . . . 11 |
27 | elnnuz 8655 | . . . . . . . . . . 11 | |
28 | 26, 27 | sylibr 132 | . . . . . . . . . 10 |
29 | 28 | nnnn0d 8341 | . . . . . . . . 9 |
30 | faccl 9662 | . . . . . . . . 9 | |
31 | 29, 30 | syl 14 | . . . . . . . 8 |
32 | 31 | nnzd 8468 | . . . . . . 7 |
33 | 28 | nnzd 8468 | . . . . . . . 8 |
34 | 33 | peano2zd 8472 | . . . . . . 7 |
35 | dvdsmultr1 10233 | . . . . . . 7 | |
36 | 23, 32, 34, 35 | syl3anc 1169 | . . . . . 6 |
37 | facp1 9657 | . . . . . . . 8 | |
38 | 29, 37 | syl 14 | . . . . . . 7 |
39 | 38 | breq2d 3797 | . . . . . 6 |
40 | 36, 39 | sylibrd 167 | . . . . 5 |
41 | 40 | ex 113 | . . . 4 |
42 | 41 | a2d 26 | . . 3 |
43 | 3, 6, 9, 12, 22, 42 | uzind4 8676 | . 2 |
44 | 43 | impcom 123 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wceq 1284 wcel 1433 class class class wbr 3785 cfv 4922 (class class class)co 5532 c1 6982 caddc 6984 cmul 6986 cmin 7279 cn 8039 cn0 8288 cz 8351 cuz 8619 cfa 9652 cdvds 10195 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-nul 3904 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-iinf 4329 ax-cnex 7067 ax-resscn 7068 ax-1cn 7069 ax-1re 7070 ax-icn 7071 ax-addcl 7072 ax-addrcl 7073 ax-mulcl 7074 ax-mulrcl 7075 ax-addcom 7076 ax-mulcom 7077 ax-addass 7078 ax-mulass 7079 ax-distr 7080 ax-i2m1 7081 ax-0lt1 7082 ax-1rid 7083 ax-0id 7084 ax-rnegex 7085 ax-cnre 7087 ax-pre-ltirr 7088 ax-pre-ltwlin 7089 ax-pre-lttrn 7090 ax-pre-ltadd 7092 |
This theorem depends on definitions: df-bi 115 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-nel 2340 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-tr 3876 df-id 4048 df-iord 4121 df-on 4123 df-suc 4126 df-iom 4332 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-riota 5488 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-1st 5787 df-2nd 5788 df-recs 5943 df-frec 6001 df-pnf 7155 df-mnf 7156 df-xr 7157 df-ltxr 7158 df-le 7159 df-sub 7281 df-neg 7282 df-inn 8040 df-n0 8289 df-z 8352 df-uz 8620 df-iseq 9432 df-fac 9653 df-dvds 10196 |
This theorem is referenced by: (None) |
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