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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 15146 | . 2 ⊢ ∗ = (𝑥 ∈ ℂ ↦ (℩𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ))) | |
| 2 | cju 12209 | . . 3 ⊢ (𝑥 ∈ ℂ → ∃!𝑦 ∈ ℂ ((𝑥 + 𝑦) ∈ ℝ ∧ (i · (𝑥 − 𝑦)) ∈ ℝ)) | |
| 3 | riotacl 7384 | . . 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 7107 | 1 ⊢ ∗:ℂ⟶ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 400 ∈ wcel 2143 ∃!wreu 3367 ⟶wf 6532 ℩crio 7366 (class class class)co 7410 ℂcc 11093 ℝcr 11094 ici 11097 + caddc 11098 · cmul 11100 − cmin 11436 ∗ccj 15143 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-div 11867 df-cj 15146 |
| This theorem is referenced by: cjcl 15152 cjcn2 15647 climcj 15652 rlimcj 15657 fsumcj 15858 cnfldcj 21531 cnfldfun 21536 cnfldfunALT 21537 cjcncf 25063 dvcjbr 26108 dvcj 26109 dvfre 26110 dvmptcj 26127 plycjlem 26433 coecj 26435 coecjOLD 26437 dchrinv 27425 cjex 43017 cjnpoly 47626 |
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