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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 10099 |
. 2
| |
| 2 | eluzelz 9612 |
. 2
| |
| 3 | 1, 2 | syl 14 |
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-setind 4574 ax-cnex 7972 ax-resscn 7973 |
| This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-mpt 4097 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 df-iota 5220 df-fun 5261 df-fn 5262 df-f 5263 df-fv 5267 df-ov 5926 df-oprab 5927 df-mpo 5928 df-neg 8202 df-z 9329 df-uz 9604 df-fz 10086 |
| This theorem is referenced by: elfz1eq 10112 fzdisj 10129 fzssp1 10144 fzp1disj 10157 fzrev2i 10163 fzrev3 10164 fznuz 10179 fznn0sub2 10205 elfzmlbm 10208 difelfznle 10212 nn0disj 10215 fzofzp1b 10306 iseqf1olemqcl 10593 iseqf1olemab 10596 iseqf1olemqf1o 10600 iseqf1olemqk 10601 iseqf1olemjpcl 10602 iseqf1olemqpcl 10603 iseqf1olemfvp 10604 seq3f1olemqsumkj 10605 seq3f1olemqsumk 10606 seq3f1olemqsum 10607 seq3f1olemstep 10608 bcm1k 10854 bcp1nk 10856 |
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