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Mirrors > Home > MPE Home > Th. List > elfz | Structured version Visualization version GIF version |
Description: Membership in a finite set of sequential integers. (Contributed by NM, 29-Sep-2005.) |
Ref | Expression |
---|---|
elfz | ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ (𝑀...𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfz1 12545 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ (𝑀...𝑁) ↔ (𝐾 ∈ ℤ ∧ 𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) | |
2 | 3anass 1081 | . . . . 5 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁) ↔ (𝐾 ∈ ℤ ∧ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) | |
3 | 2 | baib 982 | . . . 4 ⊢ (𝐾 ∈ ℤ → ((𝐾 ∈ ℤ ∧ 𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) |
4 | 1, 3 | sylan9bb 738 | . . 3 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ 𝐾 ∈ ℤ) → (𝐾 ∈ (𝑀...𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) |
5 | 4 | 3impa 1101 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝐾 ∈ (𝑀...𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) |
6 | 5 | 3comr 1120 | 1 ⊢ ((𝐾 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ (𝑀...𝑁) ↔ (𝑀 ≤ 𝐾 ∧ 𝐾 ≤ 𝑁))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 383 ∧ w3a 1072 ∈ wcel 2140 class class class wbr 4805 (class class class)co 6815 ≤ cle 10288 ℤcz 11590 ...cfz 12540 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1989 ax-6 2055 ax-7 2091 ax-9 2149 ax-10 2169 ax-11 2184 ax-12 2197 ax-13 2392 ax-ext 2741 ax-sep 4934 ax-nul 4942 ax-pr 5056 ax-cnex 10205 ax-resscn 10206 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2048 df-eu 2612 df-mo 2613 df-clab 2748 df-cleq 2754 df-clel 2757 df-nfc 2892 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3343 df-sbc 3578 df-dif 3719 df-un 3721 df-in 3723 df-ss 3730 df-nul 4060 df-if 4232 df-sn 4323 df-pr 4325 df-op 4329 df-uni 4590 df-br 4806 df-opab 4866 df-id 5175 df-xp 5273 df-rel 5274 df-cnv 5275 df-co 5276 df-dm 5277 df-iota 6013 df-fun 6052 df-fv 6058 df-ov 6818 df-oprab 6819 df-mpt2 6820 df-neg 10482 df-z 11591 df-fz 12541 |
This theorem is referenced by: elfz5 12548 fzadd2 12590 fznatpl1 12609 fzrev 12617 fzctr 12666 elfzo 12687 seqf1olem1 13055 bcval5 13320 isprm3 15619 hashdvds 15703 eulerthlem2 15710 prmreclem5 15847 aannenlem1 24303 basellem3 25030 chtub 25158 bcmono 25223 bposlem1 25230 lgseisenlem1 25321 lgsquadlem1 25326 2lgslem1a 25337 axlowdimlem3 26045 axlowdimlem7 26049 axlowdimlem16 26058 axlowdimlem17 26059 axlowdim 26062 submateqlem1 30204 lmatfvlem 30212 bcneg1 31951 poimirlem15 33756 poimirlem24 33765 poimirlem28 33769 mblfinlem2 33779 itg2addnclem2 33794 fzmul 33869 cntotbnd 33927 fzsplit1nn0 37838 irrapxlem3 37909 pellexlem5 37918 acongrep 38068 fzneg 38070 jm2.23 38084 fmul01 40334 fmuldfeq 40337 stoweidlem26 40765 fourierdlem11 40857 fourierdlem12 40858 fourierdlem15 40861 fourierdlem79 40924 smfmullem4 41526 pfxccat3a 41958 |
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