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| Mirrors > Home > ILE Home > Th. List > elfzomelpfzo | Unicode version | ||
| Description: An integer increased by another integer is an element of a half-open integer range if and only if the integer is contained in the half-open integer range with bounds decreased by the other integer. (Contributed by Alexander van der Vekens, 30-Mar-2018.) |
| Ref | Expression |
|---|---|
| elfzomelpfzo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zsubcl 9443 |
. . . . . . 7
| |
| 2 | 1 | ad2ant2rl 511 |
. . . . . 6
|
| 3 | simpl 109 |
. . . . . . 7
| |
| 4 | 3 | adantr 276 |
. . . . . 6
|
| 5 | 2, 4 | 2thd 175 |
. . . . 5
|
| 6 | simpl 109 |
. . . . . . 7
| |
| 7 | 6 | adantl 277 |
. . . . . 6
|
| 8 | zaddcl 9442 |
. . . . . . 7
| |
| 9 | 8 | adantl 277 |
. . . . . 6
|
| 10 | 7, 9 | 2thd 175 |
. . . . 5
|
| 11 | zre 9406 |
. . . . . . . 8
| |
| 12 | 11 | adantr 276 |
. . . . . . 7
|
| 13 | 12 | adantr 276 |
. . . . . 6
|
| 14 | zre 9406 |
. . . . . . . 8
| |
| 15 | 14 | adantl 277 |
. . . . . . 7
|
| 16 | 15 | adantl 277 |
. . . . . 6
|
| 17 | zre 9406 |
. . . . . . . 8
| |
| 18 | 17 | adantr 276 |
. . . . . . 7
|
| 19 | 18 | adantl 277 |
. . . . . 6
|
| 20 | 13, 16, 19 | lesubaddd 8645 |
. . . . 5
|
| 21 | 5, 10, 20 | 3anbi123d 1325 |
. . . 4
|
| 22 | eluz2 9684 |
. . . 4
| |
| 23 | eluz2 9684 |
. . . 4
| |
| 24 | 21, 22, 23 | 3bitr4g 223 |
. . 3
|
| 25 | zsubcl 9443 |
. . . . 5
| |
| 26 | 25 | ad2ant2l 508 |
. . . 4
|
| 27 | simplr 528 |
. . . 4
| |
| 28 | 26, 27 | 2thd 175 |
. . 3
|
| 29 | zre 9406 |
. . . . . . 7
| |
| 30 | 29 | adantl 277 |
. . . . . 6
|
| 31 | 30 | adantr 276 |
. . . . 5
|
| 32 | 19, 16, 31 | ltaddsubd 8648 |
. . . 4
|
| 33 | 32 | bicomd 141 |
. . 3
|
| 34 | 24, 28, 33 | 3anbi123d 1325 |
. 2
|
| 35 | elfzo2 10302 |
. 2
| |
| 36 | elfzo2 10302 |
. 2
| |
| 37 | 34, 35, 36 | 3bitr4g 223 |
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 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4173 ax-pow 4229 ax-pr 4264 ax-un 4493 ax-setind 4598 ax-cnex 8046 ax-resscn 8047 ax-1cn 8048 ax-1re 8049 ax-icn 8050 ax-addcl 8051 ax-addrcl 8052 ax-mulcl 8053 ax-addcom 8055 ax-addass 8057 ax-distr 8059 ax-i2m1 8060 ax-0lt1 8061 ax-0id 8063 ax-rnegex 8064 ax-cnre 8066 ax-pre-ltirr 8067 ax-pre-ltwlin 8068 ax-pre-lttrn 8069 ax-pre-ltadd 8071 |
| This theorem depends on definitions: df-bi 117 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-nel 2473 df-ral 2490 df-rex 2491 df-reu 2492 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-dif 3172 df-un 3174 df-in 3176 df-ss 3183 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-int 3895 df-iun 3938 df-br 4055 df-opab 4117 df-mpt 4118 df-id 4353 df-xp 4694 df-rel 4695 df-cnv 4696 df-co 4697 df-dm 4698 df-rn 4699 df-res 4700 df-ima 4701 df-iota 5246 df-fun 5287 df-fn 5288 df-f 5289 df-fv 5293 df-riota 5917 df-ov 5965 df-oprab 5966 df-mpo 5967 df-1st 6244 df-2nd 6245 df-pnf 8139 df-mnf 8140 df-xr 8141 df-ltxr 8142 df-le 8143 df-sub 8275 df-neg 8276 df-inn 9067 df-n0 9326 df-z 9403 df-uz 9679 df-fz 10161 df-fzo 10295 |
| This theorem is referenced by: (None) |
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