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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 5274 |
. 2
| |
| 2 | addcnsrec 5275 |
. 2
| |
| 3 | addcnsrec 5275 |
. 2
| |
| 4 | visset 1816 |
. . 3
| |
| 5 | visset 1816 |
. . 3
| |
| 6 | 4, 5 | addcomsr 5208 |
. 2
|
| 7 | visset 1816 |
. . 3
| |
| 8 | visset 1816 |
. . 3
| |
| 9 | 7, 8 | addcomsr 5208 |
. 2
|
| 10 | 1, 2, 3, 6, 9 | ecoprcom 4325 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: addcomt 5317 addcom 5334 addid2t 5341 add12t 5348 add23t 5349 add42t 5351 cnegextlem1 5357 cnegextlem3 5359 addcan 5363 addcan2t 5365 subsub23t 5388 addsubt 5396 addsub12t 5398 pncan2t 5410 negsubdi2t 5470 sub23t 5477 nnncan1t 5479 sub4t 5488 pnpcan2t 5491 ppncant 5493 ltadd2t 5636 leadd2t 5638 ltsubadd2t 5640 lesubadd2t 5642 ltaddsub2t 5644 leaddsub2t 5646 addgtge0t 5661 ltaddpos2t 5664 addge02t 5685 conjmult 5799 recp1lt1 5903 recrecltt 5904 nnleltp1t 5956 nn0nnaddclt 6128 zaddclt 6167 zneo 6202 shftval2t 6348 shftval4t 6350 fzshftralt 6523 seqzval2t 6554 subsqt 6643 bernneq2 6654 rimul 6745 fsumrev 7029 fsumshft 7031 bcxmas 7076 climshft2 7106 climaddc2 7119 efaddlem14 7351 ef1tllem 7381 cosnegt 7443 addcost 7459 sincossqt 7461 cos2tt 7463 absefit 7483 demoivre 7485 nn0ennn 7498 ioo2bl 7909 cnaddabl 8122 addinv 8124 ipval2 8353 hhph 9040 golem1 10193 stcltrlem1 10198 cdj3lem3b 10362 truni1 10485 2wsms 10601 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-9 967 ax-10 968 ax-11 969 ax-12 970 ax-13 971 ax-14 972 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 ax-rep 2698 ax-sep 2708 ax-nul 2715 ax-pow 2748 ax-pr 2785 ax-un 2872 ax-inf2 4634 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 778 df-3an 779 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-ral 1652 df-rex 1653 df-reu 1654 df-rab 1655 df-v 1815 df-sbc 1945 df-csb 2005 df-dif 2052 df-un 2053 df-in 2054 df-ss 2056 df-pss 2058 df-nul 2284 df-if 2366 df-pw 2406 df-sn 2416 df-pr 2417 df-tp 2419 df-op 2420 df-uni 2508 df-int 2538 df-iun 2572 df-br 2625 df-opab 2672 df-tr 2686 df-eprel 2838 df-id 2841 df-po 2846 df-so 2856 df-fr 2923 df-we 2940 df-ord 2957 df-on 2958 df-lim 2959 df-suc 2960 df-om 3138 df-xp 3190 df-rel 3191 df-cnv 3192 df-co 3193 df-dm 3194 df-rn 3195 df-res 3196 df-ima 3197 df-fun 3198 df-fn 3199 df-f 3200 df-fv 3204 df-rdg 3938 df-opr 3971 df-oprab 3972 df-1st 4085 df-2nd 4086 df-1o 4139 df-oadd 4141 df-omul 4142 df-er 4267 df-ec 4269 df-qs 4272 df-ni 5012 df-pli 5013 df-mi 5014 df-lti 5015 df-plpq 5047 df-mpq 5048 df-enq 5049 df-nq 5050 df-plq 5051 df-mq 5052 df-rq 5053 df-ltq 5054 df-1q 5055 df-np 5098 df-plp 5100 df-ltp 5102 df-plpr 5176 df-enr 5178 df-nr 5179 df-plr 5180 df-c 5252 df-plus 5257 |