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| Mirrors > Home > MPE Home > Th. List > cjf | Structured version Visualization version GIF version | ||
| Description: Domain and codomain of the conjugate function. (Contributed by Mario Carneiro, 6-Nov-2013.) |
| Ref | Expression |
|---|---|
| cjf | ⊢ ∗:ℂ⟶ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cj 15149 | . 2 ⊢ ∗ = (𝑥 ∈ ℂ ↦ (℩𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ))) | |
| 2 | cju 12213 | . . 3 ⊢ (𝑥 ∈ ℂ → ∃!𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ)) | |
| 3 | riotacl 7385 | . . 3 ⊢ (∃!𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ) → (℩𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ)) ∈ ℂ) | |
| 4 | 2, 3 | syl 18 | . 2 ⊢ (𝑥 ∈ ℂ → (℩𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ)) ∈ ℂ) |
| 5 | 1, 4 | fmpti 7108 | 1 ⊢ ∗:ℂ⟶ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 400 ∈ wcel 2149 ∃!wreu 3374 ⟶wf 6533 ℩crio 7367 (class class class)co 7411 ℂcc 11097 ℝcr 11098 ici 11101 + caddc 11102 · cmul 11104 − cmin 11440 ∗ccj 15146 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-div 11871 df-cj 15149 |
| This theorem is referenced by: cjcl 15155 cjcn2 15650 climcj 15655 rlimcj 15660 fsumcj 15861 cnfldcj 21499 cnfldfun 21504 cnfldfunALT 21505 cjcncf 25031 dvcjbr 26076 dvcj 26077 dvfre 26078 dvmptcj 26095 plycjlem 26401 coecj 26403 coecjOLD 26405 dchrinv 27390 cjex 42906 cjnpoly 47514 |
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