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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 9435 | . 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 6085 ℂcc 8178 + caddc 8183 · cmul 8185 2c2 9358 |
| 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 8272 ax-1cn 8273 ax-icn 8275 ax-addcl 8276 ax-mulcl 8278 ax-mulcom 8281 ax-mulass 8283 ax-distr 8284 ax-1rid 8287 ax-cnre 8291 |
| 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 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-2 9366 |
| This theorem is used by: xleaddadd 10300 fzctr 10551 flhalf 10751 q2submod 10836 modaddmodup 10838 m1expeven 11037 binom2 11102 nn0opthlem2d 11174 crre 11637 imval2 11674 resqrexlemdec 11792 amgm2 11900 maxabsle 11986 maxabslemab 11988 maxltsup 12000 max0addsup 12001 arisum2 12284 efival 12517 sinadd 12521 cosadd 12522 addsin 12527 subsin 12528 cosmul 12530 addcos 12531 subcos 12532 sin2t 12534 cos2t 12535 eirraplem 12562 pythagtriplem12 13076 pythagtriplem15 13079 pythagtriplem17 13081 difsqpwdvds 13139 4sqlem11 13202 4sqlem12 13203 bl2in 15556 cosordlem 16003 ppiqub 16215 chtublem 16217 chtqub 16218 bcctr 16224 pcbcctr 16225 bcmono 16226 bcmax 16227 bcp1ctr 16228 bposlem1 16233 bposlem2 16234 gausslemma2d 16310 lgsquadlem1 16318 apdifflemf 17217 apdifflemr 17218 |
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