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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 9957 | . 2 | |
2 | eluzelz 9475 | . 2 | |
3 | 1, 2 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 2136 cfv 5188 (class class class)co 5842 cz 9191 cuz 9466 cfz 9944 |
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 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-sbc 2952 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-neg 8072 df-z 9192 df-uz 9467 df-fz 9945 |
This theorem is referenced by: elfz1eq 9970 fzdisj 9987 fzssp1 10002 fzp1disj 10015 fzrev2i 10021 fzrev3 10022 fznuz 10037 fznn0sub2 10063 elfzmlbm 10066 difelfznle 10070 nn0disj 10073 fzofzp1b 10163 iseqf1olemqcl 10421 iseqf1olemab 10424 iseqf1olemqf1o 10428 iseqf1olemqk 10429 iseqf1olemjpcl 10430 iseqf1olemqpcl 10431 iseqf1olemfvp 10432 seq3f1olemqsumkj 10433 seq3f1olemqsumk 10434 seq3f1olemqsum 10435 seq3f1olemstep 10436 bcm1k 10673 bcp1nk 10675 |
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