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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 5254 |
. 2
| |
| 2 | addcnsrec 5255 |
. 2
| |
| 3 | addcnsrec 5255 |
. 2
| |
| 4 | visset 1813 |
. . 3
| |
| 5 | visset 1813 |
. . 3
| |
| 6 | 4, 5 | addcomsr 5188 |
. 2
|
| 7 | visset 1813 |
. . 3
| |
| 8 | visset 1813 |
. . 3
| |
| 9 | 7, 8 | addcomsr 5188 |
. 2
|
| 10 | 1, 2, 3, 6, 9 | ecoprcom 4319 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: addcomt 5297 addcom 5314 addid2t 5321 add12t 5328 add23t 5329 add42t 5331 cnegextlem1 5337 cnegextlem3 5339 addcan 5343 addcan2t 5345 subsub23t 5368 addsubt 5376 addsub12t 5378 pncan2t 5390 negsubdi2t 5450 sub23t 5457 nnncan1t 5459 sub4t 5468 pnpcan2t 5471 ppncant 5473 ltadd2t 5616 leadd2t 5618 ltsubadd2t 5620 lesubadd2t 5622 ltaddsub2t 5624 leaddsub2t 5626 addgtge0t 5640 ltaddpos2t 5643 addge02t 5664 conjmult 5785 recp1lt1 5889 recrecltt 5890 nnleltp1t 5942 nn0nnaddclt 6114 zaddclt 6153 zneo 6188 shftval2t 6333 shftval4t 6335 fzshftralt 6508 seqzval2t 6539 subsqt 6628 bernneq2 6639 rimul 6730 fsumrev 7014 fsumshft 7016 bcxmas 7061 climshft2 7091 climaddc2 7104 efaddlem14 7336 ef1tllem 7366 cosnegt 7428 addcost 7444 sincossqt 7446 cos2tt 7448 absefit 7467 demoivre 7469 nn0ennn 7482 ioo2bl 7897 cnaddabl 8111 addinv 8113 ipval2 8342 hhph 9030 golem1 10183 stcltrlem1 10188 cdj3lem3b 10352 truni1 10471 2wsms 10573 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4617 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 4992 df-pli 4993 df-mi 4994 df-lti 4995 df-plpq 5027 df-mpq 5028 df-enq 5029 df-nq 5030 df-plq 5031 df-mq 5032 df-rq 5033 df-ltq 5034 df-1q 5035 df-np 5078 df-plp 5080 df-ltp 5082 df-plpr 5156 df-enr 5158 df-nr 5159 df-plr 5160 df-c 5232 df-plus 5237 |