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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 12376 | . 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 1567 ∈ wcel 2149 (class class class)co 7411 ℂcc 11098 + caddc 11103 · cmul 11105 2c2 12295 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-mulcl 11162 ax-mulcom 11164 ax-mulass 11166 ax-distr 11167 ax-1rid 11170 ax-cnre 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-iota 6493 df-fv 6545 df-ov 7414 df-2 12303 |
| This theorem is referenced by: 2t2e4 12404 binom2i 14248 rddif 15392 abs3lemi 15462 iseraltlem2 15734 prmreclem6 16981 mod2xi 17129 numexp2x 17138 prmlem2 17180 iihalf2 25061 pcoass 25152 ovolunlem1a 25624 tangtx 26636 sinq34lt0t 26640 eff1o 26680 ang180lem2 26941 dvatan 27066 basellem2 27212 basellem5 27215 chtub 27342 bposlem9 27422 ex-dvds 30748 norm3lem 31442 normpari 31447 polid2i 31450 ballotth 34873 heiborlem6 38355 sqsumi 42932 dirkertrigeqlem1 46704 fourierdlem94 46806 fourierdlem102 46814 fourierdlem111 46823 fourierdlem112 46824 fourierdlem113 46825 fourierdlem114 46826 sqwvfoura 46834 sqwvfourb 46835 fouriersw 46837 sin5tlem1 47499 fmtnorec3 48189 2t6m3t4e0 49013 zlmodzxzequa 49161 |
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