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| Description: Addition of complex numbers is commutative. Axiom 9 of 25 for real and complex numbers, derived from ZF set theory. |
| Ref | Expression |
|---|---|
| axaddcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfcnqs 5185 |
. 2
| |
| 2 | addcnsrec 5186 |
. 2
| |
| 3 | addcnsrec 5186 |
. 2
| |
| 4 | visset 1788 |
. . 3
| |
| 5 | visset 1788 |
. . 3
| |
| 6 | 4, 5 | addcomsr 5119 |
. 2
|
| 7 | visset 1788 |
. . 3
| |
| 8 | visset 1788 |
. . 3
| |
| 9 | 7, 8 | addcomsr 5119 |
. 2
|
| 10 | 1, 2, 3, 6, 9 | ecoprcom 4257 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: addcomt 5228 addcom 5245 addid2t 5252 add12t 5259 add23t 5260 add42t 5262 cnegextlem1 5268 cnegextlem3 5270 addcan 5274 addcan2t 5276 subsub23t 5299 addsubt 5307 addsub12t 5309 pncan2t 5321 negsubdi2t 5381 sub23t 5388 nnncan1t 5390 sub4t 5399 pnpcan2t 5402 ppncant 5404 ltadd2t 5549 leadd2t 5551 ltsubadd2t 5553 lesubadd2t 5555 ltaddsub2t 5557 leaddsub2t 5559 addgtge0t 5573 ltaddpos2t 5576 addge02t 5597 conjmult 5704 recp1lt1 5800 recrecltt 5801 nnleltp1t 5852 nn0nnaddclt 6024 zaddclt 6063 zneo 6098 zneoOLD 6099 shftval2t 6235 shftval4t 6237 fzshftralt 6405 seqzval2t 6436 subsqt 6524 bernneq2 6535 rimul 6626 imret 6661 fsumrev 6918 fsumshft 6920 bcxmas 6965 climshft2 6994 climaddc2 7006 efaddlem14 7244 ef1tllem 7274 cosnegt 7336 addcost 7352 sincossqt 7354 cos2tt 7356 absefit 7375 demoivre 7377 nn0ennn 7390 ioo2bl 7799 cnaddabl 8011 addinv 8013 ipval2 8226 truni1 8743 2wsms 8824 hhph 9194 golem1 10322 stcltrlem1 10327 cdj3lem3b 10486 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-rep 2661 ax-sep 2671 ax-nul 2678 ax-pow 2710 ax-pr 2747 ax-un 2830 ax-inf2 4549 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 773 df-3an 774 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-ral 1625 df-rex 1626 df-reu 1627 df-rab 1628 df-v 1787 df-sbc 1913 df-csb 1973 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-pss 2026 df-nul 2252 df-if 2333 df-pw 2373 df-sn 2383 df-pr 2384 df-tp 2386 df-op 2387 df-uni 2472 df-int 2502 df-iun 2536 df-br 2588 df-opab 2635 df-tr 2649 df-eprel 2794 df-id 2797 df-po 2804 df-so 2814 df-fr 2880 df-we 2897 df-ord 2914 df-on 2915 df-lim 2916 df-suc 2917 df-om 3095 df-xp 3147 df-rel 3148 df-cnv 3149 df-co 3150 df-dm 3151 df-rn 3152 df-res 3153 df-ima 3154 df-fun 3155 df-fn 3156 df-f 3157 df-fv 3161 df-rdg 3871 df-opr 3904 df-oprab 3905 df-1st 4017 df-2nd 4018 df-1o 4071 df-oadd 4073 df-omul 4074 df-er 4199 df-ec 4201 df-qs 4204 df-ni 4923 df-pli 4924 df-mi 4925 df-lti 4926 df-plpq 4958 df-mpq 4959 df-enq 4960 df-nq 4961 df-plq 4962 df-mq 4963 df-rq 4964 df-ltq 4965 df-1q 4966 df-np 5009 df-plp 5011 df-ltp 5013 df-plpr 5087 df-enr 5089 df-nr 5090 df-plr 5091 df-c 5163 df-plus 5168 |