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Mirrors > Home > MPE Home > Th. List > Mathboxes > ssfz12 | Structured version Visualization version Unicode version |
Description: Subset relationship for finite sets of sequential integers. (Contributed by Alexander van der Vekens, 16-Mar-2018.) |
Ref | Expression |
---|---|
ssfz12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluz 11701 | . . . 4 | |
2 | 1 | biimp3ar 1433 | . . 3 |
3 | eluzfz1 12348 | . . 3 | |
4 | 2, 3 | syl 17 | . 2 |
5 | eluzfz2 12349 | . . . 4 | |
6 | 2, 5 | syl 17 | . . 3 |
7 | ssel2 3598 | . . . . . . . 8 | |
8 | ssel2 3598 | . . . . . . . . . . 11 | |
9 | elfzuz3 12339 | . . . . . . . . . . 11 | |
10 | eluz2 11693 | . . . . . . . . . . . . 13 | |
11 | eluz2 11693 | . . . . . . . . . . . . . . . . 17 | |
12 | pm3.21 464 | . . . . . . . . . . . . . . . . . 18 | |
13 | 12 | 3ad2ant3 1084 | . . . . . . . . . . . . . . . . 17 |
14 | 11, 13 | sylbi 207 | . . . . . . . . . . . . . . . 16 |
15 | 14 | a1i 11 | . . . . . . . . . . . . . . 15 |
16 | 15 | com13 88 | . . . . . . . . . . . . . 14 |
17 | 16 | 3ad2ant3 1084 | . . . . . . . . . . . . 13 |
18 | 10, 17 | sylbi 207 | . . . . . . . . . . . 12 |
19 | elfzuz 12338 | . . . . . . . . . . . 12 | |
20 | 18, 19 | syl11 33 | . . . . . . . . . . 11 |
21 | 8, 9, 20 | 3syl 18 | . . . . . . . . . 10 |
22 | 21 | ex 450 | . . . . . . . . 9 |
23 | 22 | com4t 93 | . . . . . . . 8 |
24 | 7, 23 | syl 17 | . . . . . . 7 |
25 | 24 | ex 450 | . . . . . 6 |
26 | 25 | com24 95 | . . . . 5 |
27 | 26 | pm2.43i 52 | . . . 4 |
28 | 27 | com14 96 | . . 3 |
29 | 6, 28 | mpcom 38 | . 2 |
30 | 4, 29 | mpd 15 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 w3a 1037 wcel 1990 wss 3574 class class class wbr 4653 cfv 5888 (class class class)co 6650 cle 10075 cz 11377 cuz 11687 cfz 12326 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-pre-lttri 10010 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-neg 10269 df-z 11378 df-uz 11688 df-fz 12327 |
This theorem is referenced by: (None) |
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