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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 5234 |
. 2
| |
| 2 | addcnsrec 5235 |
. 2
| |
| 3 | addcnsrec 5235 |
. 2
| |
| 4 | visset 1804 |
. . 3
| |
| 5 | visset 1804 |
. . 3
| |
| 6 | 4, 5 | addcomsr 5168 |
. 2
|
| 7 | visset 1804 |
. . 3
| |
| 8 | visset 1804 |
. . 3
| |
| 9 | 7, 8 | addcomsr 5168 |
. 2
|
| 10 | 1, 2, 3, 6, 9 | ecoprcom 4303 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: addcomt 5277 addcom 5294 addid2t 5301 add12t 5308 add23t 5309 add42t 5311 cnegextlem1 5317 cnegextlem3 5319 addcan 5323 addcan2t 5325 subsub23t 5348 addsubt 5356 addsub12t 5358 pncan2t 5370 negsubdi2t 5430 sub23t 5437 nnncan1t 5439 sub4t 5448 pnpcan2t 5451 ppncant 5453 ltadd2t 5598 leadd2t 5600 ltsubadd2t 5602 lesubadd2t 5604 ltaddsub2t 5606 leaddsub2t 5608 addgtge0t 5622 ltaddpos2t 5625 addge02t 5646 conjmult 5753 recp1lt1 5849 recrecltt 5850 nnleltp1t 5901 nn0nnaddclt 6073 zaddclt 6112 zneo 6147 zneoOLD 6148 shftval2t 6284 shftval4t 6286 fzshftralt 6454 seqzval2t 6485 subsqt 6573 bernneq2 6584 rimul 6675 imret 6710 fsumrev 6967 fsumshft 6969 bcxmas 7014 climshft2 7043 climaddc2 7055 efaddlem14 7293 ef1tllem 7323 cosnegt 7385 addcost 7401 sincossqt 7403 cos2tt 7405 absefit 7424 demoivre 7426 nn0ennn 7439 ioo2bl 7851 cnaddabl 8063 addinv 8065 ipval2 8291 hhph 8966 golem1 10108 stcltrlem1 10113 cdj3lem3b 10272 truni1 10386 2wsms 10474 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-inf2 4597 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-fv 3188 df-rdg 3917 df-opr 3950 df-oprab 3951 df-1st 4063 df-2nd 4064 df-1o 4117 df-oadd 4119 df-omul 4120 df-er 4245 df-ec 4247 df-qs 4250 df-ni 4972 df-pli 4973 df-mi 4974 df-lti 4975 df-plpq 5007 df-mpq 5008 df-enq 5009 df-nq 5010 df-plq 5011 df-mq 5012 df-rq 5013 df-ltq 5014 df-1q 5015 df-np 5058 df-plp 5060 df-ltp 5062 df-plpr 5136 df-enr 5138 df-nr 5139 df-plr 5140 df-c 5212 df-plus 5217 |