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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 9916 | . 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 1475 ∈ wcel 1977 (class class class)co 6549 ℂcc 9813 1c1 9816 · cmul 9820 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-mulcl 9877 ax-mulcom 9879 ax-mulass 9881 ax-distr 9882 ax-1rid 9885 ax-cnre 9888 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 |
This theorem is referenced by: addid1 10095 0lt1 10429 muleqadd 10550 1t1e1 11052 2t1e2 11053 3t1e3 11055 halfpm6th 11130 9p1e10 11372 numltc 11404 numsucc 11425 dec10p 11429 dec10pOLD 11430 numadd 11436 numaddc 11437 11multnc 11468 4t3lem 11507 5t2e10 11510 9t11e99 11547 9t11e99OLD 11548 nn0opthlem1 12917 faclbnd4lem1 12942 rei 13744 imi 13745 cji 13747 sqrtm1 13864 0.999... 14451 0.999...OLD 14452 efival 14721 ef01bndlem 14753 3lcm2e6 15278 decsplit0b 15622 decsplit0bOLD 15626 2exp8 15634 37prm 15666 43prm 15667 83prm 15668 139prm 15669 163prm 15670 317prm 15671 1259lem1 15676 1259lem2 15677 1259lem3 15678 1259lem4 15679 1259lem5 15680 2503lem1 15682 2503lem2 15683 2503prm 15685 4001lem1 15686 4001lem2 15687 4001lem3 15688 cnmsgnsubg 19742 mdetralt 20233 dveflem 23546 dvsincos 23548 efhalfpi 24027 pige3 24073 cosne0 24080 efif1olem4 24095 logf1o2 24196 asin1 24421 dvatan 24462 log2ublem3 24475 log2ub 24476 birthday 24481 basellem9 24615 ppiub 24729 chtub 24737 bposlem8 24816 lgsdir2 24855 mulog2sumlem2 25024 pntlemb 25086 avril1 26711 ipidsq 26949 nmopadjlem 28332 nmopcoadji 28344 unierri 28347 sgnmul 29931 signswch 29964 circum 30822 dvasin 32666 inductionexd 37473 xralrple3 38531 wallispi 38963 wallispi2lem2 38965 stirlinglem1 38967 dirkertrigeqlem3 38993 257prm 40011 fmtno4prmfac193 40023 fmtno5fac 40032 139prmALT 40049 127prm 40053 |
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