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Mirrors > Home > ILE Home > Th. List > elfz | Unicode version |
Description: Membership in a finite set of sequential integers. (Contributed by NM, 29-Sep-2005.) |
Ref | Expression |
---|---|
elfz |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfz1 9788 | . . . 4 | |
2 | 3anass 966 | . . . . 5 | |
3 | 2 | baib 904 | . . . 4 |
4 | 1, 3 | sylan9bb 457 | . . 3 |
5 | 4 | 3impa 1176 | . 2 |
6 | 5 | 3comr 1189 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 962 wcel 1480 class class class wbr 3924 (class class class)co 5767 cle 7794 cz 9047 cfz 9783 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-setind 4447 ax-cnex 7704 ax-resscn 7705 |
This theorem depends on definitions: df-bi 116 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-rab 2423 df-v 2683 df-sbc 2905 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-id 4210 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-iota 5083 df-fun 5120 df-fv 5126 df-ov 5770 df-oprab 5771 df-mpo 5772 df-neg 7929 df-z 9048 df-fz 9784 |
This theorem is referenced by: elfz5 9791 fztri3or 9812 fzdcel 9813 fznatpl1 9849 fzdifsuc 9854 fzrev 9857 fzctr 9903 elfzo 9919 iseqf1olemqk 10260 bcval5 10502 infssuzex 11631 isprm3 11788 hashdvds 11886 |
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