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Mirrors > Home > MPE Home > Th. List > mulid2i | 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 |
---|---|
mulid2i | ⊢ (1 · 𝐴) = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
2 | mulid2 9917 | . 2 ⊢ (𝐴 ∈ ℂ → (1 · 𝐴) = 𝐴) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (1 · 𝐴) = 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: 00id 10090 halfpm6th 11130 div4p1lem1div2 11164 3halfnz 11332 crreczi 12851 sq10 12910 fac2 12928 hashxplem 13080 bpoly1 14621 bpoly2 14627 bpoly3 14628 bpoly4 14629 efival 14721 ef01bndlem 14753 3dvdsdec 14892 3dvdsdecOLD 14893 3dvds2dec 14894 3dvds2decOLD 14895 odd2np1lem 14902 m1expo 14930 m1exp1 14931 nno 14936 divalglem5 14958 gcdaddmlem 15083 prmo2 15582 dec5nprm 15608 2exp8 15634 13prm 15661 23prm 15664 37prm 15666 43prm 15667 83prm 15668 139prm 15669 163prm 15670 317prm 15671 631prm 15672 1259lem2 15677 1259lem3 15678 1259lem4 15679 1259lem5 15680 2503lem1 15682 2503lem2 15683 2503lem3 15684 2503prm 15685 4001lem1 15686 4001lem2 15687 4001lem3 15688 4001lem4 15689 cnmsgnsubg 19742 sin2pim 24041 cos2pim 24042 sincosq3sgn 24056 sincosq4sgn 24057 tangtx 24061 sincosq1eq 24068 sincos4thpi 24069 sincos6thpi 24071 pige3 24073 abssinper 24074 ang180lem2 24340 ang180lem3 24341 1cubr 24369 asin1 24421 dvatan 24462 log2cnv 24471 log2ublem3 24475 log2ub 24476 logfacbnd3 24748 bclbnd 24805 bpos1 24808 bposlem8 24816 lgsdilem 24849 lgsdir2lem1 24850 lgsdir2lem4 24853 lgsdir2lem5 24854 lgsdir2 24855 lgsdir 24857 2lgsoddprmlem3c 24937 dchrisum0flblem1 24997 rpvmasum2 25001 log2sumbnd 25033 ax5seglem7 25615 ex-fl 26696 ipasslem10 27078 hisubcomi 27345 normlem1 27351 normlem9 27359 norm-ii-i 27378 normsubi 27382 polid2i 27398 lnophmlem2 28260 lnfn0i 28285 nmopcoi 28338 unierri 28347 addltmulALT 28689 sgnmul 29931 problem4 30816 quad3 30818 cnndvlem1 31698 sin2h 32569 poimirlem26 32605 cntotbnd 32765 areaquad 36821 coskpi2 38749 stoweidlem13 38906 wallispilem2 38959 wallispilem4 38961 wallispi2lem1 38964 dirkerper 38989 dirkertrigeqlem1 38991 dirkercncflem1 38996 sqwvfoura 39121 sqwvfourb 39122 fourierswlem 39123 fouriersw 39124 257prm 40011 fmtnofac1 40020 fmtno4prmfac 40022 fmtno4nprmfac193 40024 fmtno5faclem1 40029 fmtno5faclem2 40030 139prmALT 40049 127prm 40053 tgoldbach 40232 tgoldbachOLD 40239 |
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