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| Mirrors > Home > MPE Home > Th. List > mulneg1i | Structured version Visualization version GIF version | ||
| Description: Product with negative is negative of product. Theorem I.12 of [Apostol] p. 18. (Contributed by NM, 10-Feb-1995.) (Revised by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| mulm1.1 | ⊢ 𝐴 ∈ ℂ |
| mulneg.2 | ⊢ 𝐵 ∈ ℂ |
| Ref | Expression |
|---|---|
| mulneg1i | ⊢ (-𝐴 · 𝐵) = -(𝐴 · 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulm1.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | mulneg.2 | . 2 ⊢ 𝐵 ∈ ℂ | |
| 3 | mulneg1 11646 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (-𝐴 · 𝐵) = -(𝐴 · 𝐵)) | |
| 4 | 1, 2, 3 | mp2an 704 | 1 ⊢ (-𝐴 · 𝐵) = -(𝐴 · 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 (class class class)co 7408 ℂcc 11094 · cmul 11101 -cneg 11438 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11241 df-mnf 11242 df-ltxr 11244 df-sub 11439 df-neg 11440 |
| This theorem is referenced by: recgt0ii 12117 crreczi 14260 sinhval 16206 coshval 16207 dvdslelem 16363 divalglem2 16449 divalglem6 16452 gcdaddmlem 16578 ncvspi 25280 ang180lem2 26937 ang180lem3 26938 1cubrlem 26968 asinsinlem 27018 asinsin 27019 asin1 27021 lgsdir2lem5 27455 nvpi 30956 ipasslem10 31128 normlem3 31401 cos9thpiminplylem5 34117 dvasin 38238 zlmodzxzequap 49157 |
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