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| Mirrors > Home > MPE Home > Th. List > times2i | Structured version Visualization version GIF version | ||
| Description: A number times 2. (Contributed by NM, 11-May-2004.) |
| Ref | Expression |
|---|---|
| 2timesi.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| times2i | ⊢ (𝐴 · 2) = (𝐴 + 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2timesi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | times2 12304 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 2) = (𝐴 + 𝐴)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 2) = (𝐴 + 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 (class class class)co 7356 ℂcc 11027 + caddc 11032 · cmul 11034 2c2 12227 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-mulcl 11091 ax-mulcom 11093 ax-mulass 11095 ax-distr 11096 ax-1rid 11099 ax-cnre 11102 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 df-2 12235 |
| This theorem is referenced by: 3t2e6 12333 4t2e8 12335 6t2e12 12739 7t2e14 12744 8t2e16 12750 9t2e18 12757 logi 26569 threehalves 32993 areaquad 43661 |
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