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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 12288 | . 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 1542 ∈ wcel 2114 (class class class)co 7368 ℂcc 11036 + caddc 11041 · cmul 11043 2c2 12212 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-mulcl 11100 ax-mulcom 11102 ax-mulass 11104 ax-distr 11105 ax-1rid 11108 ax-cnre 11111 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-2 12220 |
| This theorem is referenced by: 2t2e4 12316 binom2i 14147 rddif 15276 abs3lemi 15346 iseraltlem2 15618 prmreclem6 16861 mod2xi 17009 numexp2x 17018 prmlem2 17059 iihalf2 24896 pcoass 24992 ovolunlem1a 25465 tangtx 26482 sinq34lt0t 26486 eff1o 26526 ang180lem2 26788 dvatan 26913 basellem2 27060 basellem5 27063 chtub 27191 bposlem9 27271 ex-dvds 30543 norm3lem 31237 normpari 31242 polid2i 31245 ballotth 34716 heiborlem6 38067 sqsumi 42651 dirkertrigeqlem1 46456 fourierdlem94 46558 fourierdlem102 46566 fourierdlem111 46575 fourierdlem112 46576 fourierdlem113 46577 fourierdlem114 46578 sqwvfoura 46586 sqwvfourb 46587 fouriersw 46589 fmtnorec3 47908 2t6m3t4e0 48708 zlmodzxzequa 48856 |
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