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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 14993 | . . . . . 6 ⊢ (𝐴 ∈ ℂ → (𝐹 shift 𝐴) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}) |
| 3 | 2 | breqd 5109 | . . . . 5 ⊢ (𝐴 ∈ ℂ → (𝐵(𝐹 shift 𝐴)𝑧 ↔ 𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧)) |
| 4 | eleq1 2824 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → (𝑥 ∈ ℂ ↔ 𝐵 ∈ ℂ)) | |
| 5 | oveq1 7365 | . . . . . . . . 9 ⊢ (𝑥 = 𝐵 → (𝑥 − 𝐴) = (𝐵 − 𝐴)) | |
| 6 | 5 | breq1d 5108 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → ((𝑥 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑦)) |
| 7 | 4, 6 | anbi12d 632 | . . . . . . 7 ⊢ (𝑥 = 𝐵 → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦))) |
| 8 | breq2 5102 | . . . . . . . 8 ⊢ (𝑦 = 𝑧 → ((𝐵 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑧)) | |
| 9 | 8 | anbi2d 630 | . . . . . . 7 ⊢ (𝑦 = 𝑧 → ((𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 10 | eqid 2736 | . . . . . . 7 ⊢ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)} = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)} | |
| 11 | 7, 9, 10 | brabg 5487 | . . . . . 6 ⊢ ((𝐵 ∈ ℂ ∧ 𝑧 ∈ V) → (𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 12 | 11 | elvd 3446 | . . . . 5 ⊢ (𝐵 ∈ ℂ → (𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 13 | 3, 12 | sylan9bb 509 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵(𝐹 shift 𝐴)𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 14 | ibar 528 | . . . . 5 ⊢ (𝐵 ∈ ℂ → ((𝐵 − 𝐴)𝐹𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) | |
| 15 | 14 | adantl 481 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐵 − 𝐴)𝐹𝑧 ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 16 | 13, 15 | bitr4d 282 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵(𝐹 shift 𝐴)𝑧 ↔ (𝐵 − 𝐴)𝐹𝑧)) |
| 17 | 16 | abbidv 2802 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧} = {𝑧 ∣ (𝐵 − 𝐴)𝐹𝑧}) |
| 18 | imasng 6043 | . . 3 ⊢ (𝐵 ∈ ℂ → ((𝐹 shift 𝐴) “ {𝐵}) = {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧}) | |
| 19 | 18 | adantl 481 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 shift 𝐴) “ {𝐵}) = {𝑧 ∣ 𝐵(𝐹 shift 𝐴)𝑧}) |
| 20 | ovex 7391 | . . 3 ⊢ (𝐵 − 𝐴) ∈ V | |
| 21 | imasng 6043 | . . 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 2781 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 shift 𝐴) “ {𝐵}) = (𝐹 “ {(𝐵 − 𝐴)})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 {cab 2714 Vcvv 3440 {csn 4580 class class class wbr 5098 {copab 5160 “ cima 5627 (class class class)co 7358 ℂcc 11024 − cmin 11364 shift cshi 14989 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-ltxr 11171 df-sub 11366 df-shft 14990 |
| This theorem is referenced by: shftval 14997 |
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