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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 11761 | . 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 1538 ∈ wcel 2111 (class class class)co 7135 ℂcc 10524 + caddc 10529 · cmul 10531 2c2 11680 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-mulcl 10588 ax-mulcom 10590 ax-mulass 10592 ax-distr 10593 ax-1rid 10596 ax-cnre 10599 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-ral 3111 df-rex 3112 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-2 11688 |
This theorem is referenced by: 2t2e4 11789 nn0le2xi 11939 binom2i 13570 rddif 14692 abs3lemi 14762 iseraltlem2 15031 prmreclem6 16247 mod2xi 16395 numexp2x 16405 prmlem2 16445 iihalf2 23538 pcoass 23629 ovolunlem1a 24100 tangtx 25098 sinq34lt0t 25102 eff1o 25141 ang180lem2 25396 dvatan 25521 basellem2 25667 basellem5 25670 chtub 25796 bposlem9 25876 ex-dvds 28241 norm3lem 28932 normpari 28937 polid2i 28940 ballotth 31905 heiborlem6 35254 sqsumi 39475 dirkertrigeqlem1 42740 fourierdlem94 42842 fourierdlem102 42850 fourierdlem111 42859 fourierdlem112 42860 fourierdlem113 42861 fourierdlem114 42862 sqwvfoura 42870 sqwvfourb 42871 fouriersw 42873 fmtnorec3 44065 2t6m3t4e0 44750 zlmodzxzequa 44905 |
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