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| Mirrors > Home > ILE Home > Th. List > 2timesd | GIF version | ||
| Description: Two times a number. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| 2timesd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| 2timesd | ⊢ (𝜑 → (2 · 𝐴) = (𝐴 + 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2timesd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | 2times 9441 | . 2 ⊢ (𝐴 ∈ ℂ → (2 · 𝐴) = (𝐴 + 𝐴)) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (2 · 𝐴) = (𝐴 + 𝐴)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 (class class class)co 6088 ℂcc 8183 + caddc 8188 · cmul 8190 2c2 9364 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-resscn 8277 ax-1cn 8278 ax-icn 8280 ax-addcl 8281 ax-mulcl 8283 ax-mulcom 8286 ax-mulass 8288 ax-distr 8289 ax-1rid 8292 ax-cnre 8296 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-iota 5340 df-fv 5388 df-ov 6091 df-2 9372 |
| This theorem is used by: xleaddadd 10306 fzctr 10557 flhalf 10758 q2submod 10843 modaddmodup 10845 m1expeven 11044 binom2 11109 nn0opthlem2d 11181 crre 11644 imval2 11681 resqrexlemdec 11799 amgm2 11907 maxabsle 11993 maxabslemab 11995 maxltsup 12007 max0addsup 12008 arisum2 12291 efival 12524 sinadd 12528 cosadd 12529 addsin 12534 subsin 12535 cosmul 12537 addcos 12538 subcos 12539 sin2t 12541 cos2t 12542 eirraplem 12569 pythagtriplem12 13083 pythagtriplem15 13086 pythagtriplem17 13088 difsqpwdvds 13146 4sqlem11 13209 4sqlem12 13210 bl2in 15629 sineq0re 16076 cosordlem 16077 ppiqub 16293 chtublem 16295 chtqub 16296 bcctr 16302 pcbcctr 16303 bcmono 16304 bcmax 16305 bcp1ctr 16306 bposlem1 16311 bposlem2 16312 bposlem9 16319 gausslemma2d 16393 lgsquadlem1 16401 apdifflemf 17302 apdifflemr 17303 |
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