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| Mirrors > Home > MPE Home > Th. List > mulridi | Structured version Visualization version GIF version | ||
| Description: Identity law for multiplication. (Contributed by NM, 14-Feb-1995.) |
| Ref | Expression |
|---|---|
| axi.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| mulridi | ⊢ (𝐴 · 1) = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | mulrid 11224 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 1) = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 1) = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 (class class class)co 7423 ℂcc 11116 1c1 11119 · cmul 11123 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2738 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-mulcl 11180 ax-mulcom 11182 ax-mulass 11184 ax-distr 11185 ax-1rid 11188 ax-cnre 11191 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-iota 6499 df-fv 6551 df-ov 7426 |
| This theorem is used by: addrid 11408 0lt1 11754 muleqadd 11876 1t1e1 12420 2t1e2 12421 3t1e3 12423 9p1e10 12731 numltc 12760 numsucc 12774 dec10p 12777 numadd 12781 numaddc 12782 11multnc 12802 4t3lem 12831 5t2e10 12834 9t11e99OLD 12865 nn0opthlem1 14324 faclbnd4lem1 14349 sgnmul 15170 rei 15233 imi 15234 cji 15236 sqrtm1 15352 0.999... 15961 efival 16233 ef01bndlem 16265 5ndvds6 16497 3lcm2e6 16816 decsplit0b 17164 2exp8 17173 37prm 17206 43prm 17207 83prm 17208 139prm 17209 163prm 17210 317prm 17211 1259lem1 17216 1259lem2 17217 1259lem3 17218 1259lem4 17219 1259lem5 17220 2503lem1 17222 2503lem2 17223 2503prm 17225 4001lem1 17226 4001lem2 17227 4001lem3 17228 cnmsgnsubg 21764 mdetralt 22802 dveflem 26175 dvsincos 26177 efhalfpi 26673 pige3ALT 26722 cosne0 26731 efif1olem4 26747 logf1o2 26852 asin1 27096 dvatan 27137 log2ublem3 27150 log2ub 27151 birthday 27156 basellem9 27290 ppiub 27405 chtub 27413 bposlem8 27492 lgsdir2 27531 mulog2sumlem2 27736 pntlemb 27798 avril1 30851 ipidsq 31099 nmopadjlem 32478 nmopcoadji 32490 unierri 32493 signswch 34980 itgexpif 35025 reprlt 35038 breprexp 35052 hgt750lem 35070 hgt750lem2 35071 circum 36187 dvasin 38396 3lexlogpow5ineq1 42862 3lexlogpow5ineq5 42868 aks4d1p1 42884 235t711 43107 ex-decpmul 43108 it1ei 43118 sqrtcval2 44409 resqrtvalex 44412 imsqrtvalex 44413 inductionexd 44922 xralrple3 46130 wallispi 46825 wallispi2lem2 46827 stirlinglem1 46829 dirkertrigeqlem3 46855 modm1p1ne 48154 257prm 48354 fmtno4prmfac193 48366 fmtno5fac 48375 139prmALT 48389 127prm 48392 2exp340mod341 48539 |
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