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Mirrors > Home > MPE Home > Th. List > times2d | Structured version Visualization version GIF version |
Description: A number times 2. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
2timesd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
Ref | Expression |
---|---|
times2d | ⊢ (𝜑 → (𝐴 · 2) = (𝐴 + 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2timesd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | times2 12430 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 2) = (𝐴 + 𝐴)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 · 2) = (𝐴 + 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2108 (class class class)co 7448 ℂcc 11182 + caddc 11187 · cmul 11189 2c2 12348 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-ext 2711 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-mulcl 11246 ax-mulcom 11248 ax-mulass 11250 ax-distr 11251 ax-1rid 11254 ax-cnre 11257 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-sb 2065 df-clab 2718 df-cleq 2732 df-clel 2819 df-rex 3077 df-rab 3444 df-v 3490 df-dif 3979 df-un 3981 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-br 5167 df-iota 6525 df-fv 6581 df-ov 7451 df-2 12356 |
This theorem is referenced by: div4p1lem1div2 12548 climcndslem1 15897 climcndslem2 15898 sadcaddlem 16503 dvexp3 26036 chordthmlem 26893 chordthmlem2 26894 chordthmlem4 26896 logfaclbnd 27284 rplogsumlem1 27546 nexple 33973 aks4d1p1p5 42032 fltne 42599 |
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