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| Description: The product with a negative is the negative of the product. |
| Ref | Expression |
|---|---|
| mulneg2t |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulneg1t 5431 |
. . 3
| |
| 2 | 1 | ancoms 436 |
. 2
|
| 3 | axmulcom 5256 |
. . 3
| |
| 4 | negclt 5348 |
. . 3
| |
| 5 | 3, 4 | sylan2 451 |
. 2
|
| 6 | axmulcom 5256 |
. . 3
| |
| 7 | 6 | negeqd 5341 |
. 2
|
| 8 | 2, 5, 7 | 3eqtr4d 1514 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mulneg12t 5433 submul2t 5440 mulsubt 5457 zmulclt 6135 cj11t 6773 efmivalt 7398 sinsubt 7405 cossubt 7406 sincossqt 7411 ipasslem2 8435 efimpi 8634 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-9 963 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-rep 2688 ax-sep 2698 ax-nul 2705 ax-pow 2737 ax-pr 2774 ax-un 2861 ax-inf2 4605 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-ral 1646 df-rex 1647 df-reu 1648 df-rab 1649 df-v 1808 df-sbc 1938 df-csb 1998 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-pss 2051 df-nul 2277 df-if 2358 df-pw 2398 df-sn 2408 df-pr 2409 df-tp 2411 df-op 2412 df-uni 2499 df-int 2529 df-iun 2563 df-br 2615 df-opab 2662 df-tr 2676 df-eprel 2827 df-id 2830 df-po 2835 df-so 2845 df-fr 2912 df-we 2929 df-ord 2946 df-on 2947 df-lim 2948 df-suc 2949 df-om 3127 df-xp 3179 df-rel 3180 df-cnv 3181 df-co 3182 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-fun 3187 df-fn 3188 df-f 3189 df-fv 3193 df-rdg 3923 df-opr 3956 df-oprab 3957 df-1st 4069 df-2nd 4070 df-1o 4123 df-oadd 4125 df-omul 4126 df-er 4251 df-ec 4253 df-qs 4256 df-ni 4980 df-pli 4981 df-mi 4982 df-lti 4983 df-plpq 5015 df-mpq 5016 df-enq 5017 df-nq 5018 df-plq 5019 df-mq 5020 df-rq 5021 df-ltq 5022 df-1q 5023 df-np 5066 df-1p 5067 df-plp 5068 df-mp 5069 df-ltp 5070 df-plpr 5144 df-mpr 5145 df-enr 5146 df-nr 5147 df-plr 5148 df-mr 5149 df-0r 5151 df-1r 5152 df-m1r 5153 df-c 5220 df-0 5221 df-1 5222 df-i 5223 df-r 5224 df-plus 5225 df-mul 5226 df-sub 5336 df-neg 5338 |