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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 15023 | . . . . . 6 ⊢ (𝐴 ∈ ℂ → (𝐹 shift 𝐴) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}) |
| 3 | 2 | breqd 5097 | . . . . 5 ⊢ (𝐴 ∈ ℂ → (𝐵(𝐹 shift 𝐴)𝑧 ↔ 𝐵{〈𝑥, 𝑦〉 ∣ (𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦)}𝑧)) |
| 4 | eleq1 2825 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → (𝑥 ∈ ℂ ↔ 𝐵 ∈ ℂ)) | |
| 5 | oveq1 7367 | . . . . . . . . 9 ⊢ (𝑥 = 𝐵 → (𝑥 − 𝐴) = (𝐵 − 𝐴)) | |
| 6 | 5 | breq1d 5096 | . . . . . . . 8 ⊢ (𝑥 = 𝐵 → ((𝑥 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑦)) |
| 7 | 4, 6 | anbi12d 633 | . . . . . . 7 ⊢ (𝑥 = 𝐵 → ((𝑥 ∈ ℂ ∧ (𝑥 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦))) |
| 8 | breq2 5090 | . . . . . . . 8 ⊢ (𝑦 = 𝑧 → ((𝐵 − 𝐴)𝐹𝑦 ↔ (𝐵 − 𝐴)𝐹𝑧)) | |
| 9 | 8 | anbi2d 631 | . . . . . . 7 ⊢ (𝑦 = 𝑧 → ((𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑦) ↔ (𝐵 ∈ ℂ ∧ (𝐵 − 𝐴)𝐹𝑧))) |
| 10 | eqid 2737 | . . . . . . 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 3436 | . . . . 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 2803 | . 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 7393 | . . 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 2782 | 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 1542 ∈ wcel 2114 {cab 2715 Vcvv 3430 {csn 4568 class class class wbr 5086 {copab 5148 “ cima 5627 (class class class)co 7360 ℂcc 11027 − cmin 11368 shift cshi 15019 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 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 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-pnf 11172 df-mnf 11173 df-ltxr 11175 df-sub 11370 df-shft 15020 |
| This theorem is referenced by: shftval 15027 |
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