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| Mirrors > Home > ILE Home > Th. List > mulneg2 | Unicode version | ||
| Description: The product with a negative is the negative of the product. (Contributed by NM, 30-Jul-2004.) |
| Ref | Expression |
|---|---|
| mulneg2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulneg1 8722 |
. . 3
| |
| 2 | 1 | ancoms 268 |
. 2
|
| 3 | negcl 8526 |
. . 3
| |
| 4 | mulcom 8308 |
. . 3
| |
| 5 | 3, 4 | sylan2 286 |
. 2
|
| 6 | mulcom 8308 |
. . 3
| |
| 7 | 6 | negeqd 8521 |
. 2
|
| 8 | 2, 5, 7 | 3eqtr4d 2281 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-setind 4684 ax-resscn 8271 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-distr 8283 ax-i2m1 8284 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-sub 8499 df-neg 8500 |
| This theorem is used by: mulneg12 8724 submul2 8726 mulsub 8728 mulneg2i 8732 mulneg2d 8739 zmulcl 9698 binom2sub 11090 cjreb 11631 recj 11632 reneg 11633 imcj 11640 imneg 11641 ipcnval 11651 cjneg 11655 efexp 12449 efmival 12500 sinsub 12507 cossub 12508 odd2np1 12640 sinperlem 15909 efimpi 15920 |
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