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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 12371 | . 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 1570 ∈ wcel 2143 (class class class)co 7410 ℂcc 11093 + caddc 11098 · cmul 11100 2c2 12290 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-mulcl 11157 ax-mulcom 11159 ax-mulass 11161 ax-distr 11162 ax-1rid 11165 ax-cnre 11168 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-2 12298 |
| This theorem is referenced by: 2t2e4 12399 binom2i 14244 rddif 15388 abs3lemi 15458 iseraltlem2 15730 prmreclem6 16976 mod2xi 17124 numexp2x 17133 prmlem2 17175 iihalf2 25092 pcoass 25183 ovolunlem1a 25655 tangtx 26670 sinq34lt0t 26674 eff1o 26714 ang180lem2 26975 dvatan 27100 basellem2 27246 basellem5 27249 chtub 27376 bposlem9 27456 ex-dvds 30807 norm3lem 31501 normpari 31506 polid2i 31509 ballotth 34928 heiborlem6 38487 sqsumi 43062 dirkertrigeqlem1 46832 fourierdlem94 46934 fourierdlem102 46942 fourierdlem111 46951 fourierdlem112 46952 fourierdlem113 46953 fourierdlem114 46954 sqwvfoura 46962 sqwvfourb 46963 fouriersw 46965 sin5tlem1 47630 fmtnorec3 48320 2t6m3t4e0 49148 zlmodzxzequa 49296 |
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