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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 12324 | . 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 1540 ∈ wcel 2109 (class class class)co 7390 ℂcc 11073 + caddc 11078 · cmul 11080 2c2 12248 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-mulcl 11137 ax-mulcom 11139 ax-mulass 11141 ax-distr 11142 ax-1rid 11145 ax-cnre 11148 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-rex 3055 df-rab 3409 df-v 3452 df-dif 3920 df-un 3922 df-ss 3934 df-nul 4300 df-if 4492 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5111 df-iota 6467 df-fv 6522 df-ov 7393 df-2 12256 |
| This theorem is referenced by: 2t2e4 12352 binom2i 14184 rddif 15314 abs3lemi 15384 iseraltlem2 15656 prmreclem6 16899 mod2xi 17047 numexp2x 17056 prmlem2 17097 iihalf2 24835 pcoass 24931 ovolunlem1a 25404 tangtx 26421 sinq34lt0t 26425 eff1o 26465 ang180lem2 26727 dvatan 26852 basellem2 26999 basellem5 27002 chtub 27130 bposlem9 27210 ex-dvds 30392 norm3lem 31085 normpari 31090 polid2i 31093 ballotth 34536 heiborlem6 37817 sqsumi 42276 dirkertrigeqlem1 46103 fourierdlem94 46205 fourierdlem102 46213 fourierdlem111 46222 fourierdlem112 46223 fourierdlem113 46224 fourierdlem114 46225 sqwvfoura 46233 sqwvfourb 46234 fouriersw 46236 fmtnorec3 47553 2t6m3t4e0 48340 zlmodzxzequa 48489 |
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