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| Mirrors > Home > ILE Home > Th. List > mulm1d | GIF version | ||
| Description: Product with minus one is negative. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| mulm1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| mulm1d | ⊢ (𝜑 → (-1 · 𝐴) = -𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulm1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | mulm1 8584 | . 2 ⊢ (𝐴 ∈ ℂ → (-1 · 𝐴) = -𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (-1 · 𝐴) = -𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2201 (class class class)co 6023 ℂcc 8035 1c1 8038 · cmul 8042 -cneg 8356 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-setind 4637 ax-resscn 8129 ax-1cn 8130 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-addcom 8137 ax-mulcom 8138 ax-addass 8139 ax-mulass 8140 ax-distr 8141 ax-i2m1 8142 ax-1rid 8144 ax-0id 8145 ax-rnegex 8146 ax-cnre 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-iota 5288 df-fun 5330 df-fv 5336 df-riota 5976 df-ov 6026 df-oprab 6027 df-mpo 6028 df-sub 8357 df-neg 8358 |
| This theorem is referenced by: mulreim 8789 recextlem1 8836 ofnegsub 9147 modqnegd 10647 modsumfzodifsn 10664 m1expcl2 10829 remullem 11454 fsumneg 12035 efi4p 12301 cosadd 12321 absefib 12355 efieq1re 12356 bitsinv1lem 12545 pythagtriplem4 12864 dvmptnegcn 15475 sin0pilem1 15534 cosq34lt1 15603 lgsdir2lem4 15789 gausslemma2dlem5a 15823 lgseisenlem1 15828 lgseisenlem2 15829 |
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