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Mirrors > Home > MPE Home > Th. List > mulcli | Structured version Visualization version GIF version |
Description: Closure law for multiplication. (Contributed by NM, 23-Nov-1994.) |
Ref | Expression |
---|---|
axi.1 | ⊢ 𝐴 ∈ ℂ |
axi.2 | ⊢ 𝐵 ∈ ℂ |
Ref | Expression |
---|---|
mulcli | ⊢ (𝐴 · 𝐵) ∈ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
2 | axi.2 | . 2 ⊢ 𝐵 ∈ ℂ | |
3 | mulcl 10623 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 · 𝐵) ∈ ℂ) | |
4 | 1, 2, 3 | mp2an 690 | 1 ⊢ (𝐴 · 𝐵) ∈ ℂ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2114 (class class class)co 7158 ℂcc 10537 · cmul 10544 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-mulcl 10601 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: mul02lem2 10819 addid1 10822 cnegex2 10824 ixi 11271 2mulicn 11863 numma 12145 nummac 12146 9t11e99 12231 decbin2 12242 irec 13567 binom2i 13577 crreczi 13592 3dec 13629 nn0opthi 13633 faclbnd4lem1 13656 rei 14517 imi 14518 iseraltlem2 15041 bpoly3 15414 bpoly4 15415 3dvdsdec 15683 3dvds2dec 15684 odd2np1 15692 gcdaddmlem 15874 3lcm2e6woprm 15961 6lcm4e12 15962 modxai 16406 mod2xnegi 16409 decexp2 16413 karatsuba 16422 sinhalfpilem 25051 ef2pi 25065 ef2kpi 25066 efper 25067 sinperlem 25068 sin2kpi 25071 cos2kpi 25072 sin2pim 25073 cos2pim 25074 sincos4thpi 25101 sincos6thpi 25103 pige3ALT 25107 abssinper 25108 efeq1 25115 logneg 25173 logm1 25174 eflogeq 25187 logimul 25199 logneg2 25200 cxpsqrt 25288 root1eq1 25338 cxpeq 25340 ang180lem1 25389 ang180lem3 25391 ang180lem4 25392 1cubrlem 25421 1cubr 25422 quart1lem 25435 asin1 25474 atanlogsublem 25495 log2ublem2 25527 log2ublem3 25528 log2ub 25529 bclbnd 25858 bposlem8 25869 bposlem9 25870 lgsdir2lem5 25907 2lgsoddprmlem3c 25990 2lgsoddprmlem3d 25991 ax5seglem7 26723 ip0i 28604 ip1ilem 28605 ipasslem10 28618 siilem1 28630 normlem0 28888 normlem1 28889 normlem2 28890 normlem3 28891 normlem5 28893 normlem7 28895 bcseqi 28899 norm-ii-i 28916 normpar2i 28935 polid2i 28936 h1de2i 29332 lnopunilem1 29789 lnophmlem2 29796 dfdec100 30548 dpmul100 30575 dp3mul10 30576 dpmul1000 30577 dpexpp1 30586 dpmul 30591 dpmul4 30592 ballotth 31797 efmul2picn 31869 itgexpif 31879 vtscl 31911 circlemeth 31913 hgt750lem 31924 problem2 32911 problem4 32913 quad3 32915 logi 32968 heiborlem6 35096 sn-1ne2 39165 sqsumi 39174 sqmid3api 39176 sqdeccom12 39182 re1m1e0m0 39234 proot1ex 39808 areaquad 39830 coskpi2 42154 cosnegpi 42155 cosknegpi 42157 wallispilem4 42360 dirkerper 42388 dirkertrigeq 42393 dirkercncflem2 42396 fourierdlem57 42455 fourierdlem62 42460 fourierswlem 42522 fmtnorec3 43717 fmtnorec4 43718 lighneallem3 43779 3exp4mod41 43788 41prothprmlem1 43789 zlmodzxzequap 44561 nn0sumshdiglemB 44687 i2linesi 44886 |
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