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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 10257 |
. 2
| |
| 2 | eluzelz 9765 |
. 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-fv 5334 df-ov 6021 df-oprab 6022 df-mpo 6023 df-neg 8353 df-z 9480 df-uz 9756 df-fz 10244 |
| This theorem is referenced by: elfz1eq 10270 fzdisj 10287 fzssp1 10302 fzp1disj 10315 fzrev2i 10321 fzrev3 10322 fznuz 10337 fznn0sub2 10363 elfzmlbm 10366 difelfznle 10370 nn0disj 10373 fz1fzo0m1 10428 fzofzp1b 10473 iseqf1olemqcl 10761 iseqf1olemab 10764 iseqf1olemqf1o 10768 iseqf1olemqk 10769 iseqf1olemjpcl 10770 iseqf1olemqpcl 10771 iseqf1olemfvp 10772 seq3f1olemqsumkj 10773 seq3f1olemqsumk 10774 seq3f1olemqsum 10775 seq3f1olemstep 10776 bcm1k 11022 bcp1nk 11024 swrdwrdsymbg 11245 ccatswrd 11251 swrdswrd 11286 pfxswrd 11287 pfxccatin12lem2 11312 |
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