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Mirrors > Home > ILE Home > Th. List > elfzel2 | Unicode version |
Description: Membership in a finite set of sequential integer implies the upper bound is an integer. (Contributed by NM, 6-Sep-2005.) (Revised by Mario Carneiro, 28-Apr-2015.) |
Ref | Expression |
---|---|
elfzel2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfzuz3 9803 | . 2 | |
2 | eluzelz 9335 | . 2 | |
3 | 1, 2 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 1480 cfv 5123 (class class class)co 5774 cz 9054 cuz 9326 cfz 9790 |
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 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-setind 4452 ax-cnex 7711 ax-resscn 7712 |
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 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-neg 7936 df-z 9055 df-uz 9327 df-fz 9791 |
This theorem is referenced by: elfz1eq 9815 fzdisj 9832 fzssp1 9847 fzp1disj 9860 fzrev2i 9866 fzrev3 9867 fznuz 9882 fznn0sub2 9905 elfzmlbm 9908 difelfznle 9912 nn0disj 9915 fzofzp1b 10005 iseqf1olemqcl 10259 iseqf1olemab 10262 iseqf1olemqf1o 10266 iseqf1olemqk 10267 iseqf1olemjpcl 10268 iseqf1olemqpcl 10269 iseqf1olemfvp 10270 seq3f1olemqsumkj 10271 seq3f1olemqsumk 10272 seq3f1olemqsum 10273 seq3f1olemstep 10274 bcm1k 10506 bcp1nk 10508 |
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