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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 26706 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐴 ≠ 0) → (0↑𝑐𝐴) = 0) | |
| 4 | 1, 2, 3 | syl2anc 593 | 1 ⊢ (𝜑 → (0↑𝑐𝐴) = 0) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 (class class class)co 7390 ℂcc 11066 0cc0 11068 ↑𝑐ccxp 26595 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pr 5389 ax-1cn 11126 ax-icn 11127 ax-addcl 11128 ax-mulcl 11130 ax-i2m1 11136 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3745 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-id 5540 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-iota 6471 df-fun 6517 df-fv 6523 df-ov 7393 df-oprab 7394 df-mpo 7395 df-cxp 26597 |
| This theorem is referenced by: cxpcn3lem 26787 cxpcn3 26788 cxpaddle 26792 cxpeq 26797 amgm 27030 abvcxp 27654 padicabvcxp 27671 |
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