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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 8579 | . 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 2202 (class class class)co 6018 ℂcc 8030 1c1 8033 · cmul 8037 -cneg 8351 |
| 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 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-resscn 8124 ax-1cn 8125 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-cnre 8143 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-sub 8352 df-neg 8353 |
| This theorem is referenced by: mulreim 8784 recextlem1 8831 ofnegsub 9142 modqnegd 10642 modsumfzodifsn 10659 m1expcl2 10824 remullem 11433 fsumneg 12014 efi4p 12280 cosadd 12300 absefib 12334 efieq1re 12335 bitsinv1lem 12524 pythagtriplem4 12843 dvmptnegcn 15449 sin0pilem1 15508 cosq34lt1 15577 lgsdir2lem4 15763 gausslemma2dlem5a 15797 lgseisenlem1 15802 lgseisenlem2 15803 |
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