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Mirrors > Home > MPE Home > Th. List > mulid1i | 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 |
---|---|
mulid1i | ⊢ (𝐴 · 1) = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
2 | mulid1 10639 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 1) = 𝐴) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 1) = 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 (class class class)co 7156 ℂcc 10535 1c1 10538 · cmul 10542 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-mulcl 10599 ax-mulcom 10601 ax-mulass 10603 ax-distr 10604 ax-1rid 10607 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-iota 6314 df-fv 6363 df-ov 7159 |
This theorem is referenced by: addid1 10820 0lt1 11162 muleqadd 11284 1t1e1 11800 2t1e2 11801 3t1e3 11803 halfpm6th 11859 9p1e10 12101 numltc 12125 numsucc 12139 dec10p 12142 numadd 12146 numaddc 12147 11multnc 12167 4t3lem 12196 5t2e10 12199 9t11e99 12229 nn0opthlem1 13629 faclbnd4lem1 13654 rei 14515 imi 14516 cji 14518 sqrtm1 14635 0.999... 15237 efival 15505 ef01bndlem 15537 3lcm2e6 16072 decsplit0b 16416 2exp8 16423 37prm 16454 43prm 16455 83prm 16456 139prm 16457 163prm 16458 317prm 16459 1259lem1 16464 1259lem2 16465 1259lem3 16466 1259lem4 16467 1259lem5 16468 2503lem1 16470 2503lem2 16471 2503prm 16473 4001lem1 16474 4001lem2 16475 4001lem3 16476 cnmsgnsubg 20721 mdetralt 21217 dveflem 24576 dvsincos 24578 efhalfpi 25057 pige3ALT 25105 cosne0 25114 efif1olem4 25129 logf1o2 25233 asin1 25472 dvatan 25513 log2ublem3 25526 log2ub 25527 birthday 25532 basellem9 25666 ppiub 25780 chtub 25788 bposlem8 25867 lgsdir2 25906 mulog2sumlem2 26111 pntlemb 26173 avril1 28242 ipidsq 28487 nmopadjlem 29866 nmopcoadji 29878 unierri 29881 sgnmul 31800 signswch 31831 itgexpif 31877 reprlt 31890 breprexp 31904 hgt750lem 31922 hgt750lem2 31923 circum 32917 dvasin 34993 235t711 39197 ex-decpmul 39198 inductionexd 40525 xralrple3 41662 wallispi 42375 wallispi2lem2 42377 stirlinglem1 42379 dirkertrigeqlem3 42405 257prm 43743 fmtno4prmfac193 43755 fmtno5fac 43764 139prmALT 43779 127prm 43783 2exp340mod341 43918 |
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