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| Description: Relationship between subtraction and negative. Theorem I.3 of [Apostol] p. 18. |
| Ref | Expression |
|---|---|
| negsub |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq1 4700 |
. . 3
| |
| 2 | opreq1 4700 |
. . 3
| |
| 3 | 1, 2 | eqeq12d 1736 |
. 2
|
| 4 | negeq 6310 |
. . . 4
| |
| 5 | 4 | opreq2d 4709 |
. . 3
|
| 6 | opreq2 4701 |
. . 3
| |
| 7 | 5, 6 | eqeq12d 1736 |
. 2
|
| 8 | 0cn 6277 |
. . . 4
| |
| 9 | 8 | elimel 2849 |
. . 3
|
| 10 | 8 | elimel 2849 |
. . 3
|
| 11 | 9, 10 | negsubi 6334 |
. 2
|
| 12 | 3, 7, 11 | dedth2h 2839 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: addsubass 6337 subneg 6350 subcan2 6358 subcan 6368 resubcl 6397 negdi2 6417 negsubdi 6418 negsubdi2 6419 submul2 6421 subsub2 6422 subsub4 6425 nnncan1OLD 6429 addsub4 6436 mulsub 6440 pnncan 6443 lesub1 6645 lesub2 6646 ltsub1 6647 ltsub2 6648 subge0 6659 divsubdir 6747 zaddcl 7169 zsubcl 7172 zltp1le 7185 qsubcl 7247 ceim1l 7285 modcyc2 7312 icoshftf1oii 7373 fzsubel 7468 seqzval2 7591 resub 7851 imsub 7854 cjsub 7861 recj 7863 cjreim 7873 cj11OLD 7876 absdiflt 7930 absdifle 7931 fsumshftm 8087 climge0 8167 climsub 8185 clim2serz 8189 clim2serzi 8200 geolimilem 8292 efsub 8428 efi4p 8495 efmival 8508 sinsub 8515 cossub 8516 sincossq 8521 demoivre 8547 gxsuc 9190 gxadd 9193 gxsub 9194 gxmodid 9197 vcsubdir 9302 cnnvm 9440 ipval2 9491 cnph 9614 ipasslem2 9627 ipsubdir 9644 shftefif1olem 9890 hvsubdistr2 10341 his2sub 10383 lnfnsubi 11404 dvdssub 13482 modgcd 13530 mslb1 14717 mettrifi2 15530 iccbnd 15708 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1142 ax-gen 1143 ax-8 1144 ax-9 1145 ax-10 1146 ax-11 1147 ax-12 1148 ax-13 1149 ax-14 1150 ax-17 1155 ax-4 1157 ax-5o 1159 ax-6o 1162 ax-9o 1319 ax-10o 1338 ax-16 1418 ax-11o 1426 ax-ext 1702 ax-rep 3243 ax-sep 3253 ax-nul 3260 ax-pow 3296 ax-pr 3339 ax-un 3601 ax-inf2 5540 |
| This theorem depends on definitions: df-bi 163 df-or 240 df-an 241 df-3or 856 df-3an 857 df-ex 1165 df-sb 1374 df-eu 1613 df-mo 1614 df-clab 1709 df-cleq 1714 df-clel 1717 df-ne 1856 df-ral 1943 df-rex 1944 df-reu 1945 df-rab 1946 df-v 2127 df-sbc 2287 df-csb 2374 df-dif 2430 df-un 2433 df-in 2436 df-ss 2438 df-pss 2440 df-nul 2702 df-if 2807 df-pw 2859 df-sn 2873 df-pr 2874 df-tp 2876 df-op 2877 df-uni 3000 df-int 3037 df-iun 3079 df-br 3159 df-opab 3214 df-tr 3230 df-eprel 3398 df-id 3401 df-po 3406 df-so 3419 df-fr 3440 df-we 3459 df-ord 3475 df-on 3476 df-lim 3477 df-suc 3478 df-om 3761 df-xp 3811 df-rel 3812 df-cnv 3813 df-co 3814 df-dm 3815 df-rn 3816 df-res 3817 df-ima 3818 df-fun 3819 df-fn 3820 df-f 3821 df-f1 3822 df-fo 3823 df-f1o 3824 df-fv 3825 df-opr 4697 df-oprab 4698 df-mpt 4817 df-1st 4831 df-2nd 4832 df-iota 4900 df-rdg 4951 df-1o 4988 df-oadd 4990 df-omul 4991 df-er 5129 df-ec 5131 df-qs 5134 df-en 5238 df-dom 5239 df-sdom 5240 df-undef 5367 df-riota 5371 df-ni 5948 df-pli 5949 df-mi 5950 df-lti 5951 df-plpq 5983 df-mpq 5984 df-enq 5985 df-nq 5986 df-plq 5987 df-mq 5988 df-rq 5989 df-ltq 5990 df-1q 5991 df-np 6034 df-1p 6035 df-plp 6036 df-mp 6037 df-ltp 6038 df-plpr 6112 df-mpr 6113 df-enr 6114 df-nr 6115 df-plr 6116 df-mr 6117 df-0r 6119 df-1r 6120 df-m1r 6121 df-c 6188 df-0 6189 df-1 6190 df-i 6191 df-r 6192 df-plus 6193 df-mul 6194 df-sub 6307 df-neg 6309 |