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| Mirrors > Home > ILE Home > Th. List > nn0p1elfzo | Unicode version | ||
| Description: A nonnegative integer increased by 1 which is less than or equal to another integer is an element of a half-open range of integers. (Contributed by AV, 27-Feb-2021.) |
| Ref | Expression |
|---|---|
| nn0p1elfzo |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0ltp1le 9690 |
. . . 4
| |
| 2 | 1 | biimp3ar 1387 |
. . 3
|
| 3 | simpl1 1031 |
. . . 4
| |
| 4 | simpr 110 |
. . . . . . 7
| |
| 5 | 4 | adantr 276 |
. . . . . 6
|
| 6 | nn0ge0 9571 |
. . . . . . . . 9
| |
| 7 | 6 | adantr 276 |
. . . . . . . 8
|
| 8 | 0re 8320 |
. . . . . . . . 9
| |
| 9 | nn0re 9555 |
. . . . . . . . 9
| |
| 10 | nn0re 9555 |
. . . . . . . . 9
| |
| 11 | lelttr 8408 |
. . . . . . . . 9
| |
| 12 | 8, 9, 10, 11 | mp3an3an 1384 |
. . . . . . . 8
|
| 13 | 7, 12 | mpand 433 |
. . . . . . 7
|
| 14 | 13 | imp 124 |
. . . . . 6
|
| 15 | elnnnn0b 9590 |
. . . . . 6
| |
| 16 | 5, 14, 15 | sylanbrc 421 |
. . . . 5
|
| 17 | 16 | 3adantl3 1186 |
. . . 4
|
| 18 | simpr 110 |
. . . 4
| |
| 19 | 3, 17, 18 | 3jca 1208 |
. . 3
|
| 20 | 2, 19 | mpdan 425 |
. 2
|
| 21 | elfzo0 10576 |
. 2
| |
| 22 | 20, 21 | sylibr 134 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-inn 9288 df-n0 9547 df-z 9628 df-uz 9905 df-fz 10395 df-fzo 10533 |
| This theorem is referenced by: eupth2lem3fi 16700 |
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