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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 12306 | . 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 7361 ℂcc 11030 + caddc 11035 · cmul 11037 2c2 12230 |
| 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 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-mulcl 11094 ax-mulcom 11096 ax-mulass 11098 ax-distr 11099 ax-1rid 11102 ax-cnre 11105 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6449 df-fv 6501 df-ov 7364 df-2 12238 |
| This theorem is referenced by: 2t2e4 12334 binom2i 14168 rddif 15297 abs3lemi 15367 iseraltlem2 15639 prmreclem6 16886 mod2xi 17034 numexp2x 17043 prmlem2 17084 iihalf2 24913 pcoass 25004 ovolunlem1a 25476 tangtx 26485 sinq34lt0t 26489 eff1o 26529 ang180lem2 26790 dvatan 26915 basellem2 27062 basellem5 27065 chtub 27192 bposlem9 27272 ex-dvds 30544 norm3lem 31238 normpari 31243 polid2i 31246 ballotth 34701 heiborlem6 38154 sqsumi 42730 dirkertrigeqlem1 46547 fourierdlem94 46649 fourierdlem102 46657 fourierdlem111 46666 fourierdlem112 46667 fourierdlem113 46668 fourierdlem114 46669 sqwvfoura 46677 sqwvfourb 46678 fouriersw 46680 sin5tlem1 47340 fmtnorec3 48026 2t6m3t4e0 48839 zlmodzxzequa 48987 |
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