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Mirrors > Home > ILE Home > Th. List > ovshftex | GIF version |
Description: Existence of the result of applying shift. (Contributed by Jim Kingdon, 15-Aug-2021.) |
Ref | Expression |
---|---|
ovshftex | ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) → (𝐹 shift 𝐴) ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shftfvalg 9419 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐹 ∈ 𝑉) → (𝐹 shift 𝐴) = {〈𝑧, 𝑤〉 ∣ (𝑧 ∈ ℂ ∧ (𝑧 − 𝐴)𝐹𝑤)}) | |
2 | 1 | ancoms 255 | . 2 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) → (𝐹 shift 𝐴) = {〈𝑧, 𝑤〉 ∣ (𝑧 ∈ ℂ ∧ (𝑧 − 𝐴)𝐹𝑤)}) |
3 | cnex 7005 | . . . 4 ⊢ ℂ ∈ V | |
4 | 3 | a1i 9 | . . 3 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) → ℂ ∈ V) |
5 | rnexg 4597 | . . . . 5 ⊢ (𝐹 ∈ 𝑉 → ran 𝐹 ∈ V) | |
6 | 5 | ad2antrr 457 | . . . 4 ⊢ (((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) ∧ 𝑧 ∈ ℂ) → ran 𝐹 ∈ V) |
7 | vex 2560 | . . . . . . . 8 ⊢ 𝑢 ∈ V | |
8 | breq2 3768 | . . . . . . . 8 ⊢ (𝑤 = 𝑢 → ((𝑧 − 𝐴)𝐹𝑤 ↔ (𝑧 − 𝐴)𝐹𝑢)) | |
9 | 7, 8 | elab 2687 | . . . . . . 7 ⊢ (𝑢 ∈ {𝑤 ∣ (𝑧 − 𝐴)𝐹𝑤} ↔ (𝑧 − 𝐴)𝐹𝑢) |
10 | simpr 103 | . . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → 𝑧 ∈ ℂ) | |
11 | simpl 102 | . . . . . . . . . 10 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → 𝐴 ∈ ℂ) | |
12 | 10, 11 | subcld 7322 | . . . . . . . . 9 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → (𝑧 − 𝐴) ∈ ℂ) |
13 | brelrng 4565 | . . . . . . . . . 10 ⊢ (((𝑧 − 𝐴) ∈ ℂ ∧ 𝑢 ∈ V ∧ (𝑧 − 𝐴)𝐹𝑢) → 𝑢 ∈ ran 𝐹) | |
14 | 7, 13 | mp3an2 1220 | . . . . . . . . 9 ⊢ (((𝑧 − 𝐴) ∈ ℂ ∧ (𝑧 − 𝐴)𝐹𝑢) → 𝑢 ∈ ran 𝐹) |
15 | 12, 14 | sylan 267 | . . . . . . . 8 ⊢ (((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) ∧ (𝑧 − 𝐴)𝐹𝑢) → 𝑢 ∈ ran 𝐹) |
16 | 15 | ex 108 | . . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → ((𝑧 − 𝐴)𝐹𝑢 → 𝑢 ∈ ran 𝐹)) |
17 | 9, 16 | syl5bi 141 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → (𝑢 ∈ {𝑤 ∣ (𝑧 − 𝐴)𝐹𝑤} → 𝑢 ∈ ran 𝐹)) |
18 | 17 | ssrdv 2951 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑧 ∈ ℂ) → {𝑤 ∣ (𝑧 − 𝐴)𝐹𝑤} ⊆ ran 𝐹) |
19 | 18 | adantll 445 | . . . 4 ⊢ (((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) ∧ 𝑧 ∈ ℂ) → {𝑤 ∣ (𝑧 − 𝐴)𝐹𝑤} ⊆ ran 𝐹) |
20 | 6, 19 | ssexd 3897 | . . 3 ⊢ (((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) ∧ 𝑧 ∈ ℂ) → {𝑤 ∣ (𝑧 − 𝐴)𝐹𝑤} ∈ V) |
21 | 4, 20 | opabex3d 5748 | . 2 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) → {〈𝑧, 𝑤〉 ∣ (𝑧 ∈ ℂ ∧ (𝑧 − 𝐴)𝐹𝑤)} ∈ V) |
22 | 2, 21 | eqeltrd 2114 | 1 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ ℂ) → (𝐹 shift 𝐴) ∈ V) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 97 = wceq 1243 ∈ wcel 1393 {cab 2026 Vcvv 2557 ⊆ wss 2917 class class class wbr 3764 {copab 3817 ran crn 4346 (class class class)co 5512 ℂcc 6887 − cmin 7182 shift cshi 9415 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-coll 3872 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-setind 4262 ax-cnex 6975 ax-resscn 6976 ax-1cn 6977 ax-icn 6979 ax-addcl 6980 ax-addrcl 6981 ax-mulcl 6982 ax-addcom 6984 ax-addass 6986 ax-distr 6988 ax-i2m1 6989 ax-0id 6992 ax-rnegex 6993 ax-cnre 6995 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-fal 1249 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ne 2206 df-ral 2311 df-rex 2312 df-reu 2313 df-rab 2315 df-v 2559 df-sbc 2765 df-csb 2853 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-iun 3659 df-br 3765 df-opab 3819 df-mpt 3820 df-id 4030 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-f1 4907 df-fo 4908 df-f1o 4909 df-fv 4910 df-riota 5468 df-ov 5515 df-oprab 5516 df-mpt2 5517 df-sub 7184 df-shft 9416 |
This theorem is referenced by: 2shfti 9432 climshftlemg 9823 climshft 9825 climshft2 9827 |
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