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| Mirrors > Home > MPE Home > Th. List > cxpefd | Structured version Visualization version GIF version | ||
| Description: Value of the complex power function. (Contributed by Mario Carneiro, 30-May-2016.) |
| Ref | Expression |
|---|---|
| cxp0d.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| cxpefd.2 | ⊢ (𝜑 → 𝐴 ≠ 0) |
| cxpefd.3 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| cxpefd | ⊢ (𝜑 → (𝐴↑𝑐𝐵) = (exp‘(𝐵 · (log‘𝐴)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cxp0d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | cxpefd.2 | . 2 ⊢ (𝜑 → 𝐴 ≠ 0) | |
| 3 | cxpefd.3 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 4 | cxpef 26839 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0 ∧ 𝐵 ∈ ℂ) → (𝐴↑𝑐𝐵) = (exp‘(𝐵 · (log‘𝐴)))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1398 | 1 ⊢ (𝜑 → (𝐴↑𝑐𝐵) = (exp‘(𝐵 · (log‘𝐴)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 ‘cfv 6536 (class class class)co 7410 ℂcc 11102 0cc0 11104 · cmul 11109 expce 16119 logclog 26728 ↑𝑐ccxp 26729 |
| This proof depends on 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-pr 5404 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-mulcl 11166 ax-i2m1 11172 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 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-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-iota 6492 df-fun 6538 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-cxp 26731 |
| This theorem is used by: dvcxp1 26914 dvcxp2 26915 dvcncxp1 26917 cxpcn 26919 abscxpbnd 26927 root1eq1 26929 cxpeq 26931 cxplogb 26960 efiatan 27086 efiatan2 27091 efrlim 27143 cxp2limlem 27149 cxploglim 27151 amgmlem 27163 zetacvg 27188 gamcvg2lem 27232 bposlem9 27465 chtppilimlem1 27646 ostth2lem4 27809 ostth2 27810 ostth3 27811 iprodgam 36242 aks4d1p1p1 42858 cxp112d 43130 cxp111d 43131 proot1ex 43951 logcxp0 49343 |
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