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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 11152 | . 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 7368 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 2709 ax-mulcom 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 |
| This theorem is referenced by: divcan1i 11897 mvllmuli 11986 recgt0ii 12060 halfthird 12374 nummul2c 12669 5recm6rec 12762 sq4e2t8 14134 cos2bnd 16125 prmo3 16981 dec5nprm 17006 karatsuba 17023 2exp6 17026 2exp8 17028 2exp11 17029 2exp16 17030 7prm 17050 13prm 17055 17prm 17056 19prm 17057 23prm 17058 43prm 17061 83prm 17062 139prm 17063 163prm 17064 317prm 17065 631prm 17066 1259lem1 17070 1259lem2 17071 1259lem3 17072 1259lem4 17073 1259lem5 17074 1259prm 17075 2503lem1 17076 2503lem2 17077 2503lem3 17078 2503prm 17079 4001lem1 17080 4001lem2 17081 4001lem3 17082 4001lem4 17083 4001prm 17084 pcoass 24992 efif1olem2 26520 mcubic 26825 quart1lem 26833 quart1 26834 quartlem1 26835 tanatan 26897 log2ublem3 26926 log2ub 26927 cht3 27151 bclbnd 27259 bpos1lem 27261 bposlem4 27266 bposlem5 27267 bposlem8 27270 2lgslem3a 27375 2lgsoddprmlem3c 27391 2lgsoddprmlem3d 27392 ex-exp 30537 ex-fac 30538 ex-prmo 30546 ipasslem10 30926 siii 30940 normlem3 31199 bcsiALT 31266 dpmul1000 32990 hgt750lem2 34829 12lcm5e60 42372 60lcm7e420 42374 420lcm8e840 42375 3exp7 42417 3lexlogpow5ineq1 42418 3lexlogpow2ineq2 42423 3lexlogpow5ineq5 42424 aks4d1p1 42440 4t5e20 42655 235t711 42669 ex-decpmul 42670 0tie0 42679 3cubeslem3l 43037 3cubeslem3r 43038 sqrtcval2 43992 resqrtvalex 43995 inductionexd 44505 fouriersw 46583 1t10e1p1e11 47664 fmtno5lem1 47907 fmtno5lem2 47908 257prm 47915 fmtno4prmfac 47926 fmtno4nprmfac193 47928 fmtno5faclem2 47934 139prmALT 47950 127prm 47953 mod42tp1mod8 47956 3exp4mod41 47970 41prothprmlem2 47972 2exp340mod341 48087 8exp8mod9 48090 gpg5order 48414 |
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