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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 11153 | . 2 ⊢ (𝐵 · 𝐴) = (𝐴 · 𝐵) |
| 4 | mulcomli.3 | . 2 ⊢ (𝐴 · 𝐵) = 𝐶 | |
| 5 | 3, 4 | eqtri 2759 | 1 ⊢ (𝐵 · 𝐴) = 𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 (class class class)co 7367 ℂcc 11036 · cmul 11043 |
| 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 2708 ax-mulcom 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2728 |
| This theorem is referenced by: divcan1i 11899 mvllmuli 11988 recgt0ii 12062 halfthird 12398 nummul2c 12694 5recm6rec 12787 sq4e2t8 14161 cos2bnd 16155 prmo3 17012 dec5nprm 17037 karatsuba 17054 2exp6 17057 2exp8 17059 2exp11 17060 2exp16 17061 7prm 17081 13prm 17086 17prm 17087 19prm 17088 23prm 17089 43prm 17092 83prm 17093 139prm 17094 163prm 17095 317prm 17096 631prm 17097 1259lem1 17101 1259lem2 17102 1259lem3 17103 1259lem4 17104 1259lem5 17105 1259prm 17106 2503lem1 17107 2503lem2 17108 2503lem3 17109 2503prm 17110 4001lem1 17111 4001lem2 17112 4001lem3 17113 4001lem4 17114 4001prm 17115 pcoass 24991 efif1olem2 26507 mcubic 26811 quart1lem 26819 quart1 26820 quartlem1 26821 tanatan 26883 log2ublem3 26912 log2ub 26913 cht3 27136 bclbnd 27243 bpos1lem 27245 bposlem4 27250 bposlem5 27251 bposlem8 27254 2lgslem3a 27359 2lgsoddprmlem3c 27375 2lgsoddprmlem3d 27376 ex-exp 30520 ex-fac 30521 ex-prmo 30529 ipasslem10 30910 siii 30924 normlem3 31183 bcsiALT 31250 dpmul1000 32958 hgt750lem2 34796 12lcm5e60 42447 60lcm7e420 42449 420lcm8e840 42450 3exp7 42492 3lexlogpow5ineq1 42493 3lexlogpow2ineq2 42498 3lexlogpow5ineq5 42499 aks4d1p1 42515 4t5e20 42723 235t711 42737 ex-decpmul 42738 0tie0 42747 3cubeslem3l 43118 3cubeslem3r 43119 sqrtcval2 44069 resqrtvalex 44072 inductionexd 44582 fouriersw 46659 goldrasin 47330 1t10e1p1e11 47758 fmtno5lem1 48016 fmtno5lem2 48017 257prm 48024 fmtno4prmfac 48035 fmtno4nprmfac193 48037 fmtno5faclem2 48043 139prmALT 48059 127prm 48062 mod42tp1mod8 48065 3exp4mod41 48079 41prothprmlem2 48081 2exp340mod341 48209 8exp8mod9 48212 gpg5order 48536 |
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