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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 11333 | . 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 2147 (class class class)co 7443 ℂcc 11225 1c1 11228 · cmul 11232 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-mulcl 11289 ax-mulcom 11291 ax-mulass 11293 ax-distr 11294 ax-1rid 11297 ax-cnre 11300 |
| 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 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-iota 6512 df-fv 6566 df-ov 7446 |
| This theorem is used by: addrid 11517 0lt1 11865 muleqadd 11987 1t1e1 12531 2t1e2 12532 3t1e3 12534 9p1e10 12843 numltc 12872 numsucc 12886 dec10p 12889 numadd 12893 numaddc 12894 11multnc 12914 4t3lem 12943 5t2e10 12946 9t11e99OLD 12977 nn0opthlem1 14439 faclbnd4lem1 14464 sgnmul 15289 rei 15352 imi 15353 cji 15355 sqrtm1 15471 0.999... 16079 efival 16349 ef01bndlem 16381 5ndvds6 16613 3lcm2e6 16937 decsplit0b 17286 2exp8 17295 37prm 17328 43prm 17329 83prm 17330 139prm 17331 163prm 17332 317prm 17333 1259lem1 17338 1259lem2 17339 1259lem3 17340 1259lem4 17341 1259lem5 17342 2503lem1 17344 2503lem2 17345 2503prm 17347 4001lem1 17348 4001lem2 17349 4001lem3 17350 cnmsgnsubg 21913 mdetralt 22953 dveflem 26329 dvsincos 26331 efhalfpi 26830 pige3ALT 26878 cosne0 26887 efif1olem4 26903 logf1o2 27008 asin1 27252 dvatan 27293 log2ublem3 27306 log2ub 27307 birthday 27312 basellem9 27446 ppiub 27561 chtub 27569 bposlem8 27648 lgsdir2 27687 mulog2sumlem2 27892 pntlemb 27954 avril1 31094 ipidsq 31342 nmopadjlem 32721 nmopcoadji 32733 unierri 32736 signswch 35260 itgexpif 35305 reprlt 35318 breprexp 35332 hgt750lem 35350 hgt750lem2 35351 circum 36606 dvasin 38814 3lexlogpow5ineq1 43296 3lexlogpow5ineq5 43302 aks4d1p1 43318 235t711 43555 ex-decpmul 43556 it1ei 43566 sqrtcval2 44834 resqrtvalex 44837 imsqrtvalex 44838 inductionexd 45347 xralrple3 46590 wallispi 47285 wallispi2lem2 47287 stirlinglem1 47289 dirkertrigeqlem3 47315 goldpolyfactor 48132 goldratval 48141 modm1p1ne 48651 257prm 48851 fmtno4prmfac193 48863 fmtno5fac 48872 139prmALT 48886 127prm 48889 2exp340mod341 49036 |
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