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| Description: The vector addition (group) operation is commutative. |
| Ref | Expression |
|---|---|
| nvgcl.1 |
|
| nvgcl.2 |
|
| Ref | Expression |
|---|---|
| nvcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nvgcl.1 |
. . . 4
| |
| 2 | nvgcl.2 |
. . . 4
| |
| 3 | 1, 2 | bafval 8223 |
. . 3
|
| 4 | 3 | ablcom 8103 |
. 2
|
| 5 | 2 | nvabl 8235 |
. 2
|
| 6 | 4, 5 | syl3an1 859 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: nvadd12 8242 nvpncan 8277 nvsubsub23 8282 nvdif 8293 nvpi 8294 nvabs 8301 ipcj 8367 hlcom 8602 |
| 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-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 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-rab 1652 df-v 1812 df-sbc 1942 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-uni 2504 df-br 2620 df-opab 2667 df-id 2835 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-fo 3196 df-fv 3198 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-grp 8037 df-gid 8038 df-abl 8100 df-vc 8165 df-nv 8211 df-va 8214 df-ba 8215 df-sm 8216 df-0v 8217 df-nm 8219 |