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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 12339 | . 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 1550 ∈ wcel 2132 (class class class)co 7381 ℂcc 11057 + caddc 11062 · cmul 11064 2c2 12258 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-ext 2724 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-mulcl 11121 ax-mulcom 11123 ax-mulass 11125 ax-distr 11126 ax-1rid 11129 ax-cnre 11132 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-sb 2081 df-clab 2731 df-cleq 2744 df-clel 2827 df-rex 3077 df-rab 3405 df-v 3446 df-dif 3898 df-un 3900 df-ss 3912 df-nul 4277 df-if 4471 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-br 5091 df-iota 6462 df-fv 6514 df-ov 7384 df-2 12266 |
| This theorem is referenced by: 2t2e4 12367 binom2i 14211 rddif 15340 abs3lemi 15410 iseraltlem2 15682 prmreclem6 16929 mod2xi 17077 numexp2x 17086 prmlem2 17128 iihalf2 24964 pcoass 25055 ovolunlem1a 25527 tangtx 26536 sinq34lt0t 26540 eff1o 26580 ang180lem2 26841 dvatan 26966 basellem2 27112 basellem5 27115 chtub 27242 bposlem9 27322 ex-dvds 30593 norm3lem 31287 normpari 31292 polid2i 31295 ballotth 34779 heiborlem6 38253 sqsumi 42828 dirkertrigeqlem1 46610 fourierdlem94 46712 fourierdlem102 46720 fourierdlem111 46729 fourierdlem112 46730 fourierdlem113 46731 fourierdlem114 46732 sqwvfoura 46740 sqwvfourb 46741 fouriersw 46743 sin5tlem1 47405 fmtnorec3 48095 2t6m3t4e0 48908 zlmodzxzequa 49056 |
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