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Mirrors > Home > MPE Home > Th. List > shftfib | Structured version Visualization version GIF version |
Description: Value of a fiber of the relation 𝐹. (Contributed by Mario Carneiro, 4-Nov-2013.) |
Ref | Expression |
---|---|
shftfval.1 | ⊢ 𝐹 ∈ V |
Ref | Expression |
---|---|
shftfib | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 shift 𝐴) “ {𝐵}) = (𝐹 “ {(𝐵 − 𝐴)})) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shftfval.1 | . . . . . . 7 ⊢ 𝐹 ∈ V | |
2 | 1 | shftfval 14781 | . . . . . 6 ⊢ (𝐴 ∈ ℂ → (𝐹 shift 𝐴) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}) |
3 | 2 | breqd 5085 | . . . . 5 ⊢ (𝐴 ∈ ℂ → (𝐵(𝐹 shift 𝐴)𝑧 ↔ 𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧)) |
4 | eleq1 2826 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → (𝑥 ∈ ℂ ↔ 𝐵 ∈ ℂ)) | |
5 | oveq1 7282 | . . . . . . . . 9 ⊢ (𝑥 = 𝐵 → (𝑥 − 𝐴) = (𝐵 − 𝐴)) | |
6 | 5 | breq1d 5084 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → ((𝑥 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑦)) |
7 | 4, 6 | anbi12d 631 | . . . . . . 7 ⊢ (𝑥 = 𝐵 → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦))) |
8 | breq2 5078 | . . . . . . . 8 ⊢ (𝑦 = 𝑧 → ((𝐵 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑧)) | |
9 | 8 | anbi2d 629 | . . . . . . 7 ⊢ (𝑦 = 𝑧 → ((𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
10 | eqid 2738 | . . . . . . 7 ⊢ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)} = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)} | |
11 | 7, 9, 10 | brabg 5452 | . . . . . 6 ⊢ ((𝐵 ∈ ℂ ∧ 𝑧 ∈ V) → (𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
12 | 11 | elvd 3439 | . . . . 5 ⊢ (𝐵 ∈ ℂ → (𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
13 | 3, 12 | sylan9bb 510 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵(𝐹 shift 𝐴)𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
14 | ibar 529 | . . . . 5 ⊢ (𝐵 ∈ ℂ → ((𝐵 − 𝐴)𝐹𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) | |
15 | 14 | adantl 482 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐵 − 𝐴)𝐹𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
16 | 13, 15 | bitr4d 281 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵(𝐹 shift 𝐴)𝑧 ↔ (𝐵 − 𝐴)𝐹𝑧)) |
17 | 16 | abbidv 2807 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧} = {𝑧 ∣ (𝐵 − 𝐴)𝐹𝑧}) |
18 | imasng 5991 | . . 3 ⊢ (𝐵 ∈ ℂ → ((𝐹 shift 𝐴) “ {𝐵}) = {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧}) | |
19 | 18 | adantl 482 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 shift 𝐴) “ {𝐵}) = {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧}) |
20 | ovex 7308 | . . 3 ⊢ (𝐵 − 𝐴) ∈ V | |
21 | imasng 5991 | . . 3 ⊢ ((𝐵 − 𝐴) ∈ V → (𝐹 “ {(𝐵 − 𝐴)}) = {𝑧 ∣ (𝐵 − 𝐴)𝐹𝑧}) | |
22 | 20, 21 | mp1i 13 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐹 “ {(𝐵 − 𝐴)}) = {𝑧 ∣ (𝐵 − 𝐴)𝐹𝑧}) |
23 | 17, 19, 22 | 3eqtr4d 2788 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 shift 𝐴) “ {𝐵}) = (𝐹 “ {(𝐵 − 𝐴)})) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 {cab 2715 Vcvv 3432 {csn 4561 class class class wbr 5074 {copab 5136 “ cima 5592 (class class class)co 7275 ℂcc 10869 − cmin 11205 shift cshi 14777 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-po 5503 df-so 5504 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-ltxr 11014 df-sub 11207 df-shft 14778 |
This theorem is referenced by: shftval 14785 |
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