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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 12303 | . 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 1547 ∈ wcel 2119 (class class class)co 7356 ℂcc 11027 + caddc 11032 · cmul 11034 2c2 12227 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-mulcl 11091 ax-mulcom 11093 ax-mulass 11095 ax-distr 11096 ax-1rid 11099 ax-cnre 11102 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 df-2 12235 |
| This theorem is referenced by: 2t2e4 12331 binom2i 14165 rddif 15294 abs3lemi 15364 iseraltlem2 15636 prmreclem6 16883 mod2xi 17031 numexp2x 17040 prmlem2 17081 iihalf2 24918 pcoass 25009 ovolunlem1a 25481 tangtx 26487 sinq34lt0t 26491 eff1o 26531 ang180lem2 26792 dvatan 26917 basellem2 27063 basellem5 27066 chtub 27193 bposlem9 27273 ex-dvds 30544 norm3lem 31238 normpari 31243 polid2i 31246 ballotth 34722 heiborlem6 38183 sqsumi 42758 dirkertrigeqlem1 46541 fourierdlem94 46643 fourierdlem102 46651 fourierdlem111 46660 fourierdlem112 46661 fourierdlem113 46662 fourierdlem114 46663 sqwvfoura 46671 sqwvfourb 46672 fouriersw 46674 sin5tlem1 47336 fmtnorec3 48026 2t6m3t4e0 48839 zlmodzxzequa 48987 |
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