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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 12338 | . . 3 ⊢ (𝐾 ∈ ℤ → -𝐾 ∈ ℤ) | |
2 | fzaddel 13272 | . . 3 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ -𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)))) | |
3 | 1, 2 | sylanr2 679 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ)) → (𝐽 ∈ (𝑀...𝑁) ↔ (𝐽 + -𝐾) ∈ ((𝑀 + -𝐾)...(𝑁 + -𝐾)))) |
4 | zcn 12307 | . . . 4 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ) | |
5 | zcn 12307 | . . . 4 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
6 | 4, 5 | anim12i 612 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ)) |
7 | zcn 12307 | . . . 4 ⊢ (𝐽 ∈ ℤ → 𝐽 ∈ ℂ) | |
8 | zcn 12307 | . . . 4 ⊢ (𝐾 ∈ ℤ → 𝐾 ∈ ℂ) | |
9 | 7, 8 | anim12i 612 | . . 3 ⊢ ((𝐽 ∈ ℤ ∧ 𝐾 ∈ ℤ) → (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) |
10 | negsub 11252 | . . . . 5 ⊢ ((𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝐽 + -𝐾) = (𝐽 − 𝐾)) | |
11 | 10 | adantl 481 | . . . 4 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → (𝐽 + -𝐾) = (𝐽 − 𝐾)) |
12 | negsub 11252 | . . . . . . 7 ⊢ ((𝑀 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝑀 + -𝐾) = (𝑀 − 𝐾)) | |
13 | negsub 11252 | . . . . . . 7 ⊢ ((𝑁 ∈ ℂ ∧ 𝐾 ∈ ℂ) → (𝑁 + -𝐾) = (𝑁 − 𝐾)) | |
14 | 12, 13 | oveqan12d 7287 | . . . . . 6 ⊢ (((𝑀 ∈ ℂ ∧ 𝐾 ∈ ℂ) ∧ (𝑁 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
15 | 14 | anandirs 675 | . . . . 5 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ 𝐾 ∈ ℂ) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
16 | 15 | adantrl 712 | . . . 4 ⊢ (((𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) ∧ (𝐽 ∈ ℂ ∧ 𝐾 ∈ ℂ)) → ((𝑀 + -𝐾)...(𝑁 + -𝐾)) = ((𝑀 − 𝐾)...(𝑁 − 𝐾))) |
17 | 11, 16 | eleq12d 2834 | . . 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 595 | . 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 278 | 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 395 = wceq 1541 ∈ wcel 2109 (class class class)co 7268 ℂcc 10853 + caddc 10858 − cmin 11188 -cneg 11189 ℤcz 12302 ...cfz 13221 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1801 ax-4 1815 ax-5 1916 ax-6 1974 ax-7 2014 ax-8 2111 ax-9 2119 ax-10 2140 ax-11 2157 ax-12 2174 ax-ext 2710 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7579 ax-cnex 10911 ax-resscn 10912 ax-1cn 10913 ax-icn 10914 ax-addcl 10915 ax-addrcl 10916 ax-mulcl 10917 ax-mulrcl 10918 ax-mulcom 10919 ax-addass 10920 ax-mulass 10921 ax-distr 10922 ax-i2m1 10923 ax-1ne0 10924 ax-1rid 10925 ax-rnegex 10926 ax-rrecex 10927 ax-cnre 10928 ax-pre-lttri 10929 ax-pre-lttrn 10930 ax-pre-ltadd 10931 ax-pre-mulgt0 10932 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1544 df-fal 1554 df-ex 1786 df-nf 1790 df-sb 2071 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-reu 3072 df-rab 3074 df-v 3432 df-sbc 3720 df-csb 3837 df-dif 3894 df-un 3896 df-in 3898 df-ss 3908 df-pss 3910 df-nul 4262 df-if 4465 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4845 df-iun 4931 df-br 5079 df-opab 5141 df-mpt 5162 df-tr 5196 df-id 5488 df-eprel 5494 df-po 5502 df-so 5503 df-fr 5543 df-we 5545 df-xp 5594 df-rel 5595 df-cnv 5596 df-co 5597 df-dm 5598 df-rn 5599 df-res 5600 df-ima 5601 df-pred 6199 df-ord 6266 df-on 6267 df-lim 6268 df-suc 6269 df-iota 6388 df-fun 6432 df-fn 6433 df-f 6434 df-f1 6435 df-fo 6436 df-f1o 6437 df-fv 6438 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-om 7701 df-2nd 7818 df-frecs 8081 df-wrecs 8112 df-recs 8186 df-rdg 8225 df-er 8472 df-en 8708 df-dom 8709 df-sdom 8710 df-pnf 10995 df-mnf 10996 df-xr 10997 df-ltxr 10998 df-le 10999 df-sub 11190 df-neg 11191 df-nn 11957 df-n0 12217 df-z 12303 df-fz 13222 |
This theorem is referenced by: elfzp1b 13315 elfzm1b 13316 fsum0diag2 15476 fprodser 15640 vdwapun 16656 sylow1lem1 19184 fzm1ne1 31089 ballotlemfrceq 32474 poimirlem16 35772 poimirlem17 35773 poimirlem19 35775 poimirlem20 35776 fdc 35882 stoweidlem11 43506 stoweidlem34 43529 |
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