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Mirrors > Home > MPE Home > Th. List > fzsubel | Structured version Visualization version GIF version |
Description: Membership of a difference in a finite set of sequential integers. (Contributed by NM, 30-Jul-2005.) |
Ref | Expression |
---|---|
fzsubel | ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 − 𝐾) ∈ ((𝑀 − 𝐾)...(𝑁 − 𝐾)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | znegcl 12401 | . . 3 ⊢ (𝐾 ∈ ℤ → -𝐾 ∈ ℤ) | |
2 | fzaddel 13336 | . . 3 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ -𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)))) | |
3 | 1, 2 | sylanr2 681 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)))) |
4 | zcn 12370 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
5 | zcn 12370 | . . . 4 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
6 | 4, 5 | anim12i 614 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ)) |
7 | zcn 12370 | . . . 4 ⊢ (𝐽 ∈ ℤ → 𝐽 ∈ ℂ) | |
8 | zcn 12370 | . . . 4 ⊢ (𝐾 ∈ ℤ → 𝐾 ∈ ℂ) | |
9 | 7, 8 | anim12i 614 | . . 3 ⊢ ((𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) |
10 | negsub 11315 | . . . . 5 ⊢ ((𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝐽 + -𝐾) = (𝐽 − 𝐾)) | |
11 | 10 | adantl 483 | . . . 4 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → (𝐽 + -𝐾) = (𝐽 − 𝐾)) |
12 | negsub 11315 | . . . . . . 7 ⊢ ((𝑀 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝑀 + -𝐾) = (𝑀 − 𝐾)) | |
13 | negsub 11315 | . . . . . . 7 ⊢ ((𝑁 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝑁 + -𝐾) = (𝑁 − 𝐾)) | |
14 | 12, 13 | oveqan12d 7326 | . . . . . 6 ⊢ (((𝑀 ∈ ℂ ∧ 𝐾 ∈ ℂ) ∧ (𝑁 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
15 | 14 | anandirs 677 | . . . . 5 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ 𝐾 ∈ ℂ) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
16 | 15 | adantrl 714 | . . . 4 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
17 | 11, 16 | eleq12d 2831 | . . 3 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → ((𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)) ↔ (𝐽 − 𝐾) ∈ ((𝑀 − 𝐾)...(𝑁 − 𝐾)))) |
18 | 6, 9, 17 | syl2an 597 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → ((𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)) ↔ (𝐽 − 𝐾) ∈ ((𝑀 − 𝐾)...(𝑁 − 𝐾)))) |
19 | 3, 18 | bitrd 279 | 1 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 − 𝐾) ∈ ((𝑀 − 𝐾)...(𝑁 − 𝐾)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1539 ∈ wcel 2104 (class class class)co 7307 ℂcc 10915 + caddc 10920 − cmin 11251 -cneg 11252 ℤcz 12365 ...cfz 13285 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10973 ax-resscn 10974 ax-1cn 10975 ax-icn 10976 ax-addcl 10977 ax-addrcl 10978 ax-mulcl 10979 ax-mulrcl 10980 ax-mulcom 10981 ax-addass 10982 ax-mulass 10983 ax-distr 10984 ax-i2m1 10985 ax-1ne0 10986 ax-1rid 10987 ax-rnegex 10988 ax-rrecex 10989 ax-cnre 10990 ax-pre-lttri 10991 ax-pre-lttrn 10992 ax-pre-ltadd 10993 ax-pre-mulgt0 10994 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3286 df-rab 3287 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-pnf 11057 df-mnf 11058 df-xr 11059 df-ltxr 11060 df-le 11061 df-sub 11253 df-neg 11254 df-nn 12020 df-n0 12280 df-z 12366 df-fz 13286 |
This theorem is referenced by: elfzp1b 13379 elfzm1b 13380 fsum0diag2 15540 fprodser 15704 vdwapun 16720 sylow1lem1 19248 fzm1ne1 31155 ballotlemfrceq 32540 poimirlem16 35837 poimirlem17 35838 poimirlem19 35840 poimirlem20 35841 fdc 35947 stoweidlem11 43601 stoweidlem34 43624 |
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