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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 10621 | . 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 7156 ℂcc 10535 · cmul 10542 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-mulcl 10599 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: mul02lem2 10817 addid1 10820 cnegex2 10822 ixi 11269 2mulicn 11861 numma 12143 nummac 12144 9t11e99 12229 decbin2 12240 irec 13565 binom2i 13575 crreczi 13590 3dec 13627 nn0opthi 13631 faclbnd4lem1 13654 rei 14515 imi 14516 iseraltlem2 15039 bpoly3 15412 bpoly4 15413 3dvdsdec 15681 3dvds2dec 15682 odd2np1 15690 gcdaddmlem 15872 3lcm2e6woprm 15959 6lcm4e12 15960 modxai 16404 mod2xnegi 16407 decexp2 16411 karatsuba 16420 sinhalfpilem 25049 ef2pi 25063 ef2kpi 25064 efper 25065 sinperlem 25066 sin2kpi 25069 cos2kpi 25070 sin2pim 25071 cos2pim 25072 sincos4thpi 25099 sincos6thpi 25101 pige3ALT 25105 abssinper 25106 efeq1 25113 logneg 25171 logm1 25172 eflogeq 25185 logimul 25197 logneg2 25198 cxpsqrt 25286 root1eq1 25336 cxpeq 25338 ang180lem1 25387 ang180lem3 25389 ang180lem4 25390 1cubrlem 25419 1cubr 25420 quart1lem 25433 asin1 25472 atanlogsublem 25493 log2ublem2 25525 log2ublem3 25526 log2ub 25527 bclbnd 25856 bposlem8 25867 bposlem9 25868 lgsdir2lem5 25905 2lgsoddprmlem3c 25988 2lgsoddprmlem3d 25989 ax5seglem7 26721 ip0i 28602 ip1ilem 28603 ipasslem10 28616 siilem1 28628 normlem0 28886 normlem1 28887 normlem2 28888 normlem3 28889 normlem5 28891 normlem7 28893 bcseqi 28897 norm-ii-i 28914 normpar2i 28933 polid2i 28934 h1de2i 29330 lnopunilem1 29787 lnophmlem2 29794 dfdec100 30546 dpmul100 30573 dp3mul10 30574 dpmul1000 30575 dpexpp1 30584 dpmul 30589 dpmul4 30590 ballotth 31795 efmul2picn 31867 itgexpif 31877 vtscl 31909 circlemeth 31911 hgt750lem 31922 problem2 32909 problem4 32911 quad3 32913 logi 32966 heiborlem6 35109 gcdaddmzz2nncomi 39122 sn-1ne2 39207 sqsumi 39216 sqmid3api 39218 sqdeccom12 39224 re1m1e0m0 39276 proot1ex 39850 areaquad 39872 coskpi2 42196 cosnegpi 42197 cosknegpi 42199 wallispilem4 42402 dirkerper 42430 dirkertrigeq 42435 dirkercncflem2 42438 fourierdlem57 42497 fourierdlem62 42502 fourierswlem 42564 fmtnorec3 43759 fmtnorec4 43760 lighneallem3 43821 3exp4mod41 43830 41prothprmlem1 43831 zlmodzxzequap 44603 nn0sumshdiglemB 44729 i2linesi 44928 |
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