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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 11212 | . 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 1569 ∈ wcel 2142 (class class class)co 7412 ℂcc 11104 1c1 11107 · cmul 11111 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-mulcl 11168 ax-mulcom 11170 ax-mulass 11172 ax-distr 11173 ax-1rid 11176 ax-cnre 11179 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-iota 6492 df-fv 6544 df-ov 7415 |
| This theorem is used by: addrid 11396 0lt1 11742 muleqadd 11864 1t1e1 12408 2t1e2 12409 3t1e3 12411 9p1e10 12719 numltc 12748 numsucc 12762 dec10p 12765 numadd 12769 numaddc 12770 11multnc 12790 4t3lem 12819 5t2e10 12822 9t11e99OLD 12853 nn0opthlem1 14311 faclbnd4lem1 14336 sgnmul 15151 rei 15214 imi 15215 cji 15217 sqrtm1 15333 0.999... 15942 efival 16214 ef01bndlem 16246 5ndvds6 16478 3lcm2e6 16797 decsplit0b 17145 2exp8 17154 37prm 17187 43prm 17188 83prm 17189 139prm 17190 163prm 17191 317prm 17192 1259lem1 17197 1259lem2 17198 1259lem3 17199 1259lem4 17200 1259lem5 17201 2503lem1 17203 2503lem2 17204 2503prm 17206 4001lem1 17207 4001lem2 17208 4001lem3 17209 cnmsgnsubg 21738 mdetralt 22776 dveflem 26149 dvsincos 26151 efhalfpi 26647 pige3ALT 26696 cosne0 26705 efif1olem4 26721 logf1o2 26826 asin1 27070 dvatan 27111 log2ublem3 27124 log2ub 27125 birthday 27130 basellem9 27264 ppiub 27379 chtub 27387 bposlem8 27466 lgsdir2 27505 mulog2sumlem2 27710 pntlemb 27772 avril1 30825 ipidsq 31073 nmopadjlem 32452 nmopcoadji 32464 unierri 32467 signswch 34957 itgexpif 35002 reprlt 35015 breprexp 35029 hgt750lem 35047 hgt750lem2 35048 circum 36174 dvasin 38383 3lexlogpow5ineq1 42849 3lexlogpow5ineq5 42855 aks4d1p1 42871 235t711 43094 ex-decpmul 43095 it1ei 43105 sqrtcval2 44396 resqrtvalex 44399 imsqrtvalex 44400 inductionexd 44909 xralrple3 46117 wallispi 46812 wallispi2lem2 46814 stirlinglem1 46816 dirkertrigeqlem3 46842 modm1p1ne 48141 257prm 48341 fmtno4prmfac193 48353 fmtno5fac 48362 139prmALT 48376 127prm 48379 2exp340mod341 48526 |
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