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Mirrors > Home > MPE Home > Th. List > mulcomli | Structured version Visualization version GIF version |
Description: Commutative law for multiplication. (Contributed by NM, 23-Nov-1994.) |
Ref | Expression |
---|---|
axi.1 | ⊢ 𝐴 ∈ ℂ |
axi.2 | ⊢ 𝐵 ∈ ℂ |
mulcomli.3 | ⊢ (𝐴 · 𝐵) = 𝐶 |
Ref | Expression |
---|---|
mulcomli | ⊢ (𝐵 · 𝐴) = 𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axi.2 | . . 3 ⊢ 𝐵 ∈ ℂ | |
2 | axi.1 | . . 3 ⊢ 𝐴 ∈ ℂ | |
3 | 1, 2 | mulcomi 10638 | . 2 ⊢ (𝐵 · 𝐴) = (𝐴 · 𝐵) |
4 | mulcomli.3 | . 2 ⊢ (𝐴 · 𝐵) = 𝐶 | |
5 | 3, 4 | eqtri 2821 | 1 ⊢ (𝐵 · 𝐴) = 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∈ wcel 2111 (class class class)co 7135 ℂcc 10524 · cmul 10531 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2121 ax-ext 2770 ax-mulcom 10590 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-cleq 2791 |
This theorem is referenced by: divcan1i 11373 mvllmuli 11462 recgt0ii 11535 nummul2c 12136 halfthird 12229 5recm6rec 12230 sq4e2t8 13558 cos2bnd 15533 prmo3 16367 dec5nprm 16392 decexp2 16401 karatsuba 16410 2exp6 16413 2exp8 16415 2exp16 16416 7prm 16436 13prm 16441 17prm 16442 19prm 16443 23prm 16444 43prm 16447 83prm 16448 139prm 16449 163prm 16450 317prm 16451 631prm 16452 1259lem1 16456 1259lem2 16457 1259lem3 16458 1259lem4 16459 1259lem5 16460 1259prm 16461 2503lem1 16462 2503lem2 16463 2503lem3 16464 2503prm 16465 4001lem1 16466 4001lem2 16467 4001lem3 16468 4001lem4 16469 4001prm 16470 pcoass 23629 efif1olem2 25135 mcubic 25433 quart1lem 25441 quart1 25442 quartlem1 25443 tanatan 25505 log2ublem3 25534 log2ub 25535 cht3 25758 bclbnd 25864 bpos1lem 25866 bposlem4 25871 bposlem5 25872 bposlem8 25875 2lgslem3a 25980 2lgsoddprmlem3c 25996 2lgsoddprmlem3d 25997 ex-exp 28235 ex-fac 28236 ex-prmo 28244 ipasslem10 28622 siii 28636 normlem3 28895 bcsiALT 28962 dpmul1000 30601 hgt750lem2 32033 12lcm5e60 39296 60lcm7e420 39298 420lcm8e840 39299 3lexlogpow5ineq1 39341 235t711 39485 ex-decpmul 39486 3cubeslem3l 39627 3cubeslem3r 39628 sqrtcval2 40342 resqrtvalex 40345 inductionexd 40858 fouriersw 42873 1t10e1p1e11 43867 fmtno5lem1 44070 fmtno5lem2 44071 257prm 44078 fmtno4prmfac 44089 fmtno4nprmfac193 44091 fmtno5faclem2 44097 139prmALT 44113 127prm 44116 2exp11 44118 mod42tp1mod8 44120 3exp4mod41 44134 41prothprmlem2 44136 2exp340mod341 44251 8exp8mod9 44254 |
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