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| Description: Closure law for multiplication in the real subfield of complex numbers. Axiom 8 of 25 for real and complex numbers, derived from ZF set theory. |
| Ref | Expression |
|---|---|
| axmulrcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elreal 5250 |
. 2
| |
| 2 | elreal 5250 |
. 2
| |
| 3 | opreq1 3968 |
. . 3
| |
| 4 | 3 | eleq1d 1540 |
. 2
|
| 5 | opreq2 3969 |
. . 3
| |
| 6 | 5 | eleq1d 1540 |
. 2
|
| 7 | visset 1813 |
. . . 4
| |
| 8 | 7 | mulresr 5257 |
. . 3
|
| 9 | mulclsr 5193 |
. . . 4
| |
| 10 | opelreal 5249 |
. . . 4
| |
| 11 | 9, 10 | sylibr 200 |
. . 3
|
| 12 | 8, 11 | eqeltrd 1548 |
. 2
|
| 13 | 1, 2, 4, 6, 12 | 2gencl 1829 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: remulclt 5304 remulcl 5335 1re 5435 axmulgt0 5506 recextlem2 5683 recext 5684 lemul1t 5832 ltmul12it 5841 lemul12ait 5842 lemul12itOLD 5843 mulgt1t 5845 ltdivmult 5867 ltdivmultOLD 5868 ledivmultOLD 5869 lt2mul2divt 5872 lemuldivt 5874 lemuldivtOLD 5875 ltdiv23t 5892 lediv23t 5893 avglet 6044 zmulclt 6180 qbtwnre 6278 rpmulclt 6291 reexpclt 6580 expubndt 6608 bernneq 6652 expnbndt 6654 discrlem3 6658 sqr0 6672 sqrlem5 6677 sqrlem6 6678 sqrlem12 6684 mulretOLD 6777 faclbnd 6945 faclbnd3 6947 faclbnd5 6953 faclbnd6 6954 facavgt 6955 climmullem4 7123 cvgcmp2clem 7182 cvgratlem1ALT 7247 cvgratlem1 7250 cvgratlem4 7253 erelem1 7319 abspef01tlub 7395 efcnlem2 7420 sin01bndlem2 7468 cos01bndlem2 7470 cos01gt0 7477 sin02gt0 7478 znnen 7502 ruclem13 7522 bl2in 7843 nmoub3i 8436 blocni 8465 ubthlem12 8540 ubthlem13 8541 ubthlem14 8542 minveclem21 8565 minveclem25 8569 minveclem26 8570 minveclem27 8571 htthlem6 8625 htthlem8 8627 sinperlem1 8686 sinq12gt0t 8708 relogexpt 8774 bcs2t 9049 occllem6 9178 pjthlem8 9226 pjthlem10 9228 nmopub2tALT 9833 nmfnleub2t 9850 nmophm 9961 bdophm 9962 lnopcon 9963 lnfncon 9990 cnlnadjlem2 10001 cnlnadjlem7 10006 nmopadjlem 10022 nmopcoadj 10034 branmfnt 10038 leopnmidt 10071 cdj1 10360 cdj3lem2b 10364 cdj3 10368 mslb1 10629 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 5000 df-pli 5001 df-mi 5002 df-lti 5003 df-plpq 5035 df-mpq 5036 df-enq 5037 df-nq 5038 df-plq 5039 df-mq 5040 df-rq 5041 df-ltq 5042 df-1q 5043 df-np 5086 df-1p 5087 df-plp 5088 df-mp 5089 df-ltp 5090 df-plpr 5164 df-mpr 5165 df-enr 5166 df-nr 5167 df-plr 5168 df-mr 5169 df-0r 5171 df-m1r 5173 df-c 5240 df-r 5244 df-mul 5246 |