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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 11151 | . 2 ⊢ (𝐵 · 𝐴) = (𝐴 · 𝐵) |
| 4 | mulcomli.3 | . 2 ⊢ (𝐴 · 𝐵) = 𝐶 | |
| 5 | 3, 4 | eqtri 2763 | 1 ⊢ (𝐵 · 𝐴) = 𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 (class class class)co 7363 ℂcc 11034 · cmul 11041 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2712 ax-mulcom 11100 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-cleq 2732 |
| This theorem is referenced by: divcan1i 11897 mvllmuli 11986 recgt0ii 12060 halfthird 12396 nummul2c 12692 5recm6rec 12785 sq4e2t8 14159 cos2bnd 16153 prmo3 17010 dec5nprm 17035 karatsuba 17052 2exp6 17055 2exp8 17057 2exp11 17058 2exp16 17059 7prm 17079 13prm 17084 17prm 17085 19prm 17086 23prm 17087 43prm 17090 83prm 17091 139prm 17092 163prm 17093 317prm 17094 631prm 17095 1259lem1 17099 1259lem2 17100 1259lem3 17101 1259lem4 17102 1259lem5 17103 1259prm 17104 2503lem1 17105 2503lem2 17106 2503lem3 17107 2503prm 17108 4001lem1 17109 4001lem2 17110 4001lem3 17111 4001lem4 17112 4001prm 17113 pcoass 25016 efif1olem2 26532 mcubic 26836 quart1lem 26844 quart1 26845 quartlem1 26846 tanatan 26908 log2ublem3 26937 log2ub 26938 cht3 27161 bclbnd 27268 bpos1lem 27270 bposlem4 27275 bposlem5 27276 bposlem8 27279 2lgslem3a 27384 2lgsoddprmlem3c 27400 2lgsoddprmlem3d 27401 ex-exp 30545 ex-fac 30546 ex-prmo 30554 ipasslem10 30935 siii 30949 normlem3 31208 bcsiALT 31275 dpmul1000 32984 hgt750lem2 34843 12lcm5e60 42500 60lcm7e420 42502 420lcm8e840 42503 3exp7 42545 3lexlogpow5ineq1 42546 3lexlogpow2ineq2 42551 3lexlogpow5ineq5 42552 aks4d1p1 42568 4t5e20 42775 235t711 42789 ex-decpmul 42790 0tie0 42799 3cubeslem3l 43142 3cubeslem3r 43143 sqrtcval2 44093 resqrtvalex 44096 inductionexd 44606 fouriersw 46681 goldrasin 47352 1t10e1p1e11 47780 fmtno5lem1 48038 fmtno5lem2 48039 257prm 48046 fmtno4prmfac 48057 fmtno4nprmfac193 48059 fmtno5faclem2 48065 139prmALT 48081 127prm 48084 mod42tp1mod8 48087 3exp4mod41 48101 41prothprmlem2 48103 2exp340mod341 48231 8exp8mod9 48234 gpg5order 48558 |
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