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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 13449 | . 2 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝑁 ∈ (ℤ≥‘𝐾)) | |
| 2 | eluzelz 12773 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝐾) → 𝑁 ∈ ℤ) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝑁 ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ‘cfv 6500 (class class class)co 7368 ℤcz 12500 ℤ≥cuz 12763 ...cfz 13435 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1st 7943 df-2nd 7944 df-neg 11379 df-z 12501 df-uz 12764 df-fz 13436 |
| This theorem is referenced by: elfz1eq 13463 fzdisj 13479 fzssp1 13495 fzp1disj 13511 fzrev2i 13517 fzrev3 13518 elfz1b 13521 fznuz 13537 fznn0sub2 13563 elfzmlbm 13566 difelfznle 13570 nn0disj 13572 fz1fzo0m1 13638 fzofzp1b 13693 bcm1k 14250 bcp1nk 14252 pfxccatin12lem2 14666 spllen 14689 fsum0diag2 15718 fallfacval3 15947 fallfacval4 15978 psgnunilem2 19436 pntpbnd1 27565 crctcshwlkn0 29906 fzm1ne1 32879 swrdrevpfx 35333 swrdwlk 35343 elfzfzo 45639 sumnnodd 45990 dvnmul 46301 dvnprodlem1 46304 dvnprodlem2 46305 stoweidlem34 46392 fourierdlem11 46476 fourierdlem12 46477 fourierdlem15 46480 fourierdlem41 46506 fourierdlem48 46512 fourierdlem49 46513 fourierdlem54 46518 fourierdlem79 46543 fourierdlem102 46566 fourierdlem114 46578 etransclem23 46615 etransclem35 46627 iundjiun 46818 2elfz2melfz 47678 elfzelfzlble 47681 iccpartiltu 47782 iccpartgt 47787 |
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