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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 11776 | . 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 1537 ∈ wcel 2114 (class class class)co 7158 ℂcc 10537 + caddc 10542 · cmul 10544 2c2 11695 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-mulcl 10601 ax-mulcom 10603 ax-mulass 10605 ax-distr 10606 ax-1rid 10609 ax-cnre 10612 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-iota 6316 df-fv 6365 df-ov 7161 df-2 11703 |
This theorem is referenced by: 2t2e4 11804 nn0le2xi 11954 binom2i 13577 rddif 14702 abs3lemi 14772 iseraltlem2 15041 prmreclem6 16259 mod2xi 16407 numexp2x 16417 prmlem2 16455 iihalf2 23539 pcoass 23630 ovolunlem1a 24099 tangtx 25093 sinq34lt0t 25097 eff1o 25135 ang180lem2 25390 dvatan 25515 basellem2 25661 basellem5 25664 chtub 25790 bposlem9 25870 ex-dvds 28237 norm3lem 28928 normpari 28933 polid2i 28936 ballotth 31797 heiborlem6 35096 sqsumi 39174 dirkertrigeqlem1 42390 fourierdlem94 42492 fourierdlem102 42500 fourierdlem111 42509 fourierdlem112 42510 fourierdlem113 42511 fourierdlem114 42512 sqwvfoura 42520 sqwvfourb 42521 fouriersw 42523 fmtnorec3 43717 2t6m3t4e0 44403 zlmodzxzequa 44558 |
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