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| Mirrors > Home > MPE Home > Th. List > 0cxpd | Structured version Visualization version GIF version | ||
| Description: Value of the complex power function when the first argument is zero. (Contributed by Mario Carneiro, 30-May-2016.) |
| Ref | Expression |
|---|---|
| cxp0d.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| cxpefd.2 | ⊢ (𝜑 → 𝐴 ≠ 0) |
| Ref | Expression |
|---|---|
| 0cxpd | ⊢ (𝜑 → (0↑𝑐𝐴) = 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cxp0d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | cxpefd.2 | . 2 ⊢ (𝜑 → 𝐴 ≠ 0) | |
| 3 | 0cxp 26622 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (0↑𝑐𝐴) = 0) | |
| 4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → (0↑𝑐𝐴) = 0) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ≠ wne 2929 (class class class)co 7355 ℂcc 11015 0cc0 11017 ↑𝑐ccxp 26511 |
| 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 2182 ax-ext 2705 ax-sep 5238 ax-nul 5248 ax-pr 5374 ax-1cn 11075 ax-icn 11076 ax-addcl 11077 ax-mulcl 11079 ax-i2m1 11085 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-ral 3049 df-rex 3058 df-rab 3397 df-v 3439 df-sbc 3738 df-dif 3901 df-un 3903 df-ss 3915 df-nul 4283 df-if 4477 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4861 df-br 5096 df-opab 5158 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-iota 6445 df-fun 6491 df-fv 6497 df-ov 7358 df-oprab 7359 df-mpo 7360 df-cxp 26513 |
| This theorem is referenced by: cxpcn3lem 26704 cxpcn3 26705 cxpaddle 26709 cxpeq 26714 amgm 26948 abvcxp 27573 padicabvcxp 27590 |
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