| Metamath Proof Explorer |
< Previous
Next >
Related theorems GIF version |
| Description: Commutative law for multiplication. |
| Ref | Expression |
|---|---|
| axi.1 | ⊢ A ∈ ℂ |
| axi.2 | ⊢ B ∈ ℂ |
| Ref | Expression |
|---|---|
| mulcom | ⊢ (A · B) = (B · A) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axi.1 | . 2 ⊢ A ∈ ℂ | |
| 2 | axi.2 | . 2 ⊢ B ∈ ℂ | |
| 3 | axmulcom 5288 | . 2 ⊢ ((A ∈ ℂ ⋀ B ∈ ℂ) → (A · B) = (B · A)) | |
| 4 | 1, 2, 3 | mp2an 699 | 1 ⊢ (A · B) = (B · A) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 958 ∈ wcel 960 (class class class)co 3969 ℂcc 5244 · cmul 5251 |
| This theorem is referenced by: mulid2 5345 mul12 5435 mul02 5444 mulneg1 5457 mulneg2 5458 mul2neg 5459 divcan1 5729 divrec 5744 div23 5755 divcan4 5760 divcan4z 5762 divmul13 5789 recgt0i 5816 8th4div3 6033 binom2 6645 binom2aOLD 6646 discrlem1 6657 sqrlem10 6683 sqrlem11 6684 sqrlem16 6689 crulem 6737 crmul 6741 cjmulrcl 6791 recvalz 6887 abs1m 6904 fac3 6938 bcpasc2 6967 efaddlem20 7357 efcnlem1 7419 sinadd 7451 cosadd 7452 sin01bndlem3 7470 cos2bnd 7476 ipdirilem 8484 ipasslem10 8495 siilem1 8507 siii 8509 sincosq4sgn 8702 pilog 8763 normlem3 8973 bcseq 8981 bcsALT 9041 h1de2 9471 |
| 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-mp 5101 df-ltp 5102 df-plpr 5176 df-mpr 5177 df-enr 5178 df-nr 5179 df-plr 5180 df-mr 5181 df-c 5252 df-mul 5258 |