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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 11144 | . 2 ⊢ (𝐵 · 𝐴) = (𝐴 · 𝐵) |
| 4 | mulcomli.3 | . 2 ⊢ (𝐴 · 𝐵) = 𝐶 | |
| 5 | 3, 4 | eqtri 2760 | 1 ⊢ (𝐵 · 𝐴) = 𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 (class class class)co 7360 ℂcc 11027 · cmul 11034 |
| 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 1912 ax-6 1969 ax-7 2010 ax-9 2124 ax-ext 2709 ax-mulcom 11093 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 |
| This theorem is referenced by: divcan1i 11890 mvllmuli 11979 recgt0ii 12053 halfthird 12389 nummul2c 12685 5recm6rec 12778 sq4e2t8 14152 cos2bnd 16146 prmo3 17003 dec5nprm 17028 karatsuba 17045 2exp6 17048 2exp8 17050 2exp11 17051 2exp16 17052 7prm 17072 13prm 17077 17prm 17078 19prm 17079 23prm 17080 43prm 17083 83prm 17084 139prm 17085 163prm 17086 317prm 17087 631prm 17088 1259lem1 17092 1259lem2 17093 1259lem3 17094 1259lem4 17095 1259lem5 17096 1259prm 17097 2503lem1 17098 2503lem2 17099 2503lem3 17100 2503prm 17101 4001lem1 17102 4001lem2 17103 4001lem3 17104 4001lem4 17105 4001prm 17106 pcoass 25001 efif1olem2 26520 mcubic 26824 quart1lem 26832 quart1 26833 quartlem1 26834 tanatan 26896 log2ublem3 26925 log2ub 26926 cht3 27150 bclbnd 27257 bpos1lem 27259 bposlem4 27264 bposlem5 27265 bposlem8 27268 2lgslem3a 27373 2lgsoddprmlem3c 27389 2lgsoddprmlem3d 27390 ex-exp 30535 ex-fac 30536 ex-prmo 30544 ipasslem10 30925 siii 30939 normlem3 31198 bcsiALT 31265 dpmul1000 32973 hgt750lem2 34812 12lcm5e60 42461 60lcm7e420 42463 420lcm8e840 42464 3exp7 42506 3lexlogpow5ineq1 42507 3lexlogpow2ineq2 42512 3lexlogpow5ineq5 42513 aks4d1p1 42529 4t5e20 42737 235t711 42751 ex-decpmul 42752 0tie0 42761 3cubeslem3l 43132 3cubeslem3r 43133 sqrtcval2 44087 resqrtvalex 44090 inductionexd 44600 fouriersw 46677 goldrasin 47344 1t10e1p1e11 47770 fmtno5lem1 48028 fmtno5lem2 48029 257prm 48036 fmtno4prmfac 48047 fmtno4nprmfac193 48049 fmtno5faclem2 48055 139prmALT 48071 127prm 48074 mod42tp1mod8 48077 3exp4mod41 48091 41prothprmlem2 48093 2exp340mod341 48221 8exp8mod9 48224 gpg5order 48548 |
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