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Mirrors > Home > ILE Home > Th. List > difelfzle | Unicode version |
Description: The difference of two integers from a finite set of sequential nonnegative integers is also element of this finite set of sequential integers. (Contributed by Alexander van der Vekens, 12-Jun-2018.) |
Ref | Expression |
---|---|
difelfzle |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfznn0 10049 | . . . . 5 | |
2 | elfznn0 10049 | . . . . 5 | |
3 | nn0z 9211 | . . . . . . . . 9 | |
4 | nn0z 9211 | . . . . . . . . 9 | |
5 | zsubcl 9232 | . . . . . . . . 9 | |
6 | 3, 4, 5 | syl2anr 288 | . . . . . . . 8 |
7 | 6 | adantr 274 | . . . . . . 7 |
8 | nn0re 9123 | . . . . . . . . 9 | |
9 | nn0re 9123 | . . . . . . . . 9 | |
10 | subge0 8373 | . . . . . . . . 9 | |
11 | 8, 9, 10 | syl2anr 288 | . . . . . . . 8 |
12 | 11 | biimpar 295 | . . . . . . 7 |
13 | 7, 12 | jca 304 | . . . . . 6 |
14 | 13 | exp31 362 | . . . . 5 |
15 | 1, 2, 14 | syl2im 38 | . . . 4 |
16 | 15 | 3imp 1183 | . . 3 |
17 | elnn0z 9204 | . . 3 | |
18 | 16, 17 | sylibr 133 | . 2 |
19 | elfz3nn0 10050 | . . 3 | |
20 | 19 | 3ad2ant1 1008 | . 2 |
21 | elfz2nn0 10047 | . . . . . 6 | |
22 | 8 | 3ad2ant1 1008 | . . . . . . . . 9 |
23 | resubcl 8162 | . . . . . . . . 9 | |
24 | 22, 9, 23 | syl2an 287 | . . . . . . . 8 |
25 | 22 | adantr 274 | . . . . . . . 8 |
26 | nn0re 9123 | . . . . . . . . . 10 | |
27 | 26 | 3ad2ant2 1009 | . . . . . . . . 9 |
28 | 27 | adantr 274 | . . . . . . . 8 |
29 | nn0ge0 9139 | . . . . . . . . . 10 | |
30 | 29 | adantl 275 | . . . . . . . . 9 |
31 | subge02 8376 | . . . . . . . . . 10 | |
32 | 22, 9, 31 | syl2an 287 | . . . . . . . . 9 |
33 | 30, 32 | mpbid 146 | . . . . . . . 8 |
34 | simpl3 992 | . . . . . . . 8 | |
35 | 24, 25, 28, 33, 34 | letrd 8022 | . . . . . . 7 |
36 | 35 | ex 114 | . . . . . 6 |
37 | 21, 36 | sylbi 120 | . . . . 5 |
38 | 1, 37 | syl5com 29 | . . . 4 |
39 | 38 | a1dd 48 | . . 3 |
40 | 39 | 3imp 1183 | . 2 |
41 | elfz2nn0 10047 | . 2 | |
42 | 18, 20, 40, 41 | syl3anbrc 1171 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 968 wcel 2136 class class class wbr 3982 (class class class)co 5842 cr 7752 cc0 7753 cle 7934 cmin 8069 cn0 9114 cz 9191 cfz 9944 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-addcom 7853 ax-addass 7855 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-0id 7861 ax-rnegex 7862 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-ltadd 7869 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-fv 5196 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-inn 8858 df-n0 9115 df-z 9192 df-uz 9467 df-fz 9945 |
This theorem is referenced by: (None) |
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