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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 11022 | . 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 1475 ∈ wcel 1977 (class class class)co 6549 ℂcc 9813 + caddc 9818 · cmul 9820 2c2 10947 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-mulcl 9877 ax-mulcom 9879 ax-mulass 9881 ax-distr 9882 ax-1rid 9885 ax-cnre 9888 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 df-2 10956 |
This theorem is referenced by: 2t2e4 11054 nn0le2xi 11224 binom2i 12836 rddif 13928 abs3lemi 13997 iseraltlem2 14261 prmreclem6 15463 mod2xi 15611 numexp2x 15621 prmlem2 15665 iihalf2 22540 pcoass 22632 ovolunlem1a 23071 tangtx 24061 sinq34lt0t 24065 eff1o 24099 ang180lem2 24340 dvatan 24462 basellem2 24608 basellem5 24611 chtub 24737 bposlem9 24817 ex-dvds 26705 norm3lem 27390 normpari 27395 polid2i 27398 ballotth 29926 heiborlem6 32785 rmspecsqrtnqOLD 36489 dirkertrigeqlem1 38991 fourierdlem94 39093 fourierdlem102 39101 fourierdlem111 39110 fourierdlem112 39111 fourierdlem113 39112 fourierdlem114 39113 sqwvfoura 39121 sqwvfourb 39122 fouriersw 39124 fmtnorec3 39998 2t6m3t4e0 41919 zlmodzxzequa 42079 |
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