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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 10411 |
. . . . 5
| |
| 2 | elfznn0 10411 |
. . . . 5
| |
| 3 | nn0z 9560 |
. . . . . . . . 9
| |
| 4 | nn0z 9560 |
. . . . . . . . 9
| |
| 5 | zsubcl 9581 |
. . . . . . . . 9
| |
| 6 | 3, 4, 5 | syl2anr 290 |
. . . . . . . 8
|
| 7 | 6 | adantr 276 |
. . . . . . 7
|
| 8 | nn0re 9470 |
. . . . . . . . 9
| |
| 9 | nn0re 9470 |
. . . . . . . . 9
| |
| 10 | subge0 8714 |
. . . . . . . . 9
| |
| 11 | 8, 9, 10 | syl2anr 290 |
. . . . . . . 8
|
| 12 | 11 | biimpar 297 |
. . . . . . 7
|
| 13 | 7, 12 | jca 306 |
. . . . . 6
|
| 14 | 13 | exp31 364 |
. . . . 5
|
| 15 | 1, 2, 14 | syl2im 38 |
. . . 4
|
| 16 | 15 | 3imp 1220 |
. . 3
|
| 17 | elnn0z 9553 |
. . 3
| |
| 18 | 16, 17 | sylibr 134 |
. 2
|
| 19 | elfz3nn0 10412 |
. . 3
| |
| 20 | 19 | 3ad2ant1 1045 |
. 2
|
| 21 | elfz2nn0 10409 |
. . . . . 6
| |
| 22 | 8 | 3ad2ant1 1045 |
. . . . . . . . 9
|
| 23 | resubcl 8502 |
. . . . . . . . 9
| |
| 24 | 22, 9, 23 | syl2an 289 |
. . . . . . . 8
|
| 25 | 22 | adantr 276 |
. . . . . . . 8
|
| 26 | nn0re 9470 |
. . . . . . . . . 10
| |
| 27 | 26 | 3ad2ant2 1046 |
. . . . . . . . 9
|
| 28 | 27 | adantr 276 |
. . . . . . . 8
|
| 29 | nn0ge0 9486 |
. . . . . . . . . 10
| |
| 30 | 29 | adantl 277 |
. . . . . . . . 9
|
| 31 | subge02 8717 |
. . . . . . . . . 10
| |
| 32 | 22, 9, 31 | syl2an 289 |
. . . . . . . . 9
|
| 33 | 30, 32 | mpbid 147 |
. . . . . . . 8
|
| 34 | simpl3 1029 |
. . . . . . . 8
| |
| 35 | 24, 25, 28, 33, 34 | letrd 8362 |
. . . . . . 7
|
| 36 | 35 | ex 115 |
. . . . . 6
|
| 37 | 21, 36 | sylbi 121 |
. . . . 5
|
| 38 | 1, 37 | syl5com 29 |
. . . 4
|
| 39 | 38 | a1dd 48 |
. . 3
|
| 40 | 39 | 3imp 1220 |
. 2
|
| 41 | elfz2nn0 10409 |
. 2
| |
| 42 | 18, 20, 40, 41 | syl3anbrc 1208 |
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-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-distr 8196 ax-i2m1 8197 ax-0lt1 8198 ax-0id 8200 ax-rnegex 8201 ax-cnre 8203 ax-pre-ltirr 8204 ax-pre-ltwlin 8205 ax-pre-lttrn 8206 ax-pre-ltadd 8208 |
| 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 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-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 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-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8275 df-mnf 8276 df-xr 8277 df-ltxr 8278 df-le 8279 df-sub 8411 df-neg 8412 df-inn 9203 df-n0 9462 df-z 9541 df-uz 9817 df-fz 10306 |
| This theorem is referenced by: (None) |
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