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| Mirrors > Home > MPE Home > Th. List > elfzel2 | Structured version Visualization version GIF 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 | ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝑁 ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elfzuz3 13548 | . 2 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝑁 ∈ (ℤ≥‘𝐾)) | |
| 2 | eluzelz 12871 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝑁 ∈ ℤ) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝑁 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 ‘cfv 6537 (class class class)co 7411 ℤcz 12590 ℤ≥cuz 12861 ...cfz 13534 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-1st 7985 df-2nd 7986 df-neg 11443 df-z 12591 df-uz 12862 df-fz 13535 |
| This theorem is referenced by: elfz1eq 13562 fzdisj 13578 fzssp1 13594 fzp1disj 13610 fzrev2i 13616 fzrev3 13617 elfz1b 13620 fznuz 13636 fznn0sub2 13662 elfzmlbm 13665 difelfznle 13669 nn0disj 13671 fz1fzo0m1 13738 fzofzp1b 13793 bcm1k 14350 bcp1nk 14352 pfxccatin12lem2 14767 spllen 14790 fsum0diag2 15833 fallfacval3 16065 fallfacval4 16096 psgnunilem2 19564 pntpbnd1 27715 crctcshwlkn0 30110 fzm1ne1 33073 swrdrevpfx 35506 swrdwlk 35517 elfzfzo 45887 sumnnodd 46237 dvnmul 46548 dvnprodlem1 46551 dvnprodlem2 46552 stoweidlem34 46639 fourierdlem11 46723 fourierdlem12 46724 fourierdlem15 46727 fourierdlem41 46753 fourierdlem48 46759 fourierdlem49 46760 fourierdlem54 46765 fourierdlem79 46790 fourierdlem102 46813 fourierdlem114 46825 etransclem23 46862 etransclem35 46874 iundjiun 47065 2elfz2melfz 47943 elfzelfzlble 47946 iccpartiltu 48059 iccpartgt 48064 |
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