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| Description: Commutative/associative law for vector addition. |
| Ref | Expression |
|---|---|
| nvgcl.1 |
|
| nvgcl.2 |
|
| Ref | Expression |
|---|---|
| nvadd12 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nvgcl.1 |
. . . . 5
| |
| 2 | nvgcl.2 |
. . . . 5
| |
| 3 | 1, 2 | nvcom 8204 |
. . . 4
|
| 4 | 3 | 3adant3r3 843 |
. . 3
|
| 5 | 4 | opreq1d 3970 |
. 2
|
| 6 | 1, 2 | nvass 8205 |
. 2
|
| 7 | 1, 2 | nvass 8205 |
. . 3
|
| 8 | 3ancoma 781 |
. . 3
| |
| 9 | 7, 8 | sylan2b 452 |
. 2
|
| 10 | 5, 6, 9 | 3eqtr3d 1513 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: nvsubadd 8239 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-9 964 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 ax-sep 2699 ax-nul 2706 ax-pow 2738 ax-pr 2775 ax-un 2862 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 776 df-ex 980 df-sb 1171 df-eu 1381 df-mo 1382 df-clab 1463 df-cleq 1468 df-clel 1471 df-ne 1585 df-ral 1647 df-rex 1648 df-rab 1650 df-v 1809 df-sbc 1939 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-nul 2278 df-pw 2399 df-sn 2409 df-pr 2410 df-op 2413 df-uni 2500 df-br 2616 df-opab 2663 df-id 2831 df-xp 3180 df-rel 3181 df-cnv 3182 df-co 3183 df-dm 3184 df-rn 3185 df-res 3186 df-ima 3187 df-fun 3188 df-fn 3189 df-f 3190 df-fo 3192 df-fv 3194 df-opr 3960 df-oprab 3961 df-1st 4072 df-2nd 4073 df-grp 7999 df-gid 8000 df-abl 8063 df-vc 8129 df-nv 8175 df-va 8178 df-ba 8179 df-sm 8180 df-0v 8181 df-nm 8183 |