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| Mirrors > Home > MPE Home > Th. List > 2timesi | Structured version Visualization version GIF version | ||
| Description: Two times a number. (Contributed by NM, 1-Aug-1999.) |
| Ref | Expression |
|---|---|
| 2timesi.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| 2timesi | ⊢ (2 · 𝐴) = (𝐴 + 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2timesi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | 2times 12276 | . 2 ⊢ (𝐴 ∈ ℂ → (2 · 𝐴) = (𝐴 + 𝐴)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (2 · 𝐴) = (𝐴 + 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2113 (class class class)co 7358 ℂcc 11024 + caddc 11029 · cmul 11031 2c2 12200 |
| 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-ext 2708 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-mulcl 11088 ax-mulcom 11090 ax-mulass 11092 ax-distr 11093 ax-1rid 11096 ax-cnre 11099 |
| 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-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-2 12208 |
| This theorem is referenced by: 2t2e4 12304 binom2i 14135 rddif 15264 abs3lemi 15334 iseraltlem2 15606 prmreclem6 16849 mod2xi 16997 numexp2x 17006 prmlem2 17047 iihalf2 24884 pcoass 24980 ovolunlem1a 25453 tangtx 26470 sinq34lt0t 26474 eff1o 26514 ang180lem2 26776 dvatan 26901 basellem2 27048 basellem5 27051 chtub 27179 bposlem9 27259 ex-dvds 30531 norm3lem 31224 normpari 31229 polid2i 31232 ballotth 34695 heiborlem6 38017 sqsumi 42546 dirkertrigeqlem1 46352 fourierdlem94 46454 fourierdlem102 46462 fourierdlem111 46471 fourierdlem112 46472 fourierdlem113 46473 fourierdlem114 46474 sqwvfoura 46482 sqwvfourb 46483 fouriersw 46485 fmtnorec3 47804 2t6m3t4e0 48604 zlmodzxzequa 48752 |
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