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| Description: Equality theorem for intersection of two classes. |
| Ref | Expression |
|---|---|
| ineq1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq2 1538 |
. . . 4
| |
| 2 | 1 | anbi1d 619 |
. . 3
|
| 3 | elin 2210 |
. . 3
| |
| 4 | elin 2210 |
. . 3
| |
| 5 | 2, 3, 4 | 3bitr4g 557 |
. 2
|
| 6 | 5 | eqrdv 1476 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ineq2 2214 ineq12 2215 ineq1i 2216 ineq1d 2219 unineq 2258 inex1g 2723 frc 2926 onnev 3248 reseq1 3374 isofrlem 3907 fiint 4572 fiintOLD 4573 inf3lema 4618 aceq5lem5 4749 kmlem12 4786 kmlem14 4788 inopnt 7601 isbasisg 7610 basis1t 7613 basis2t 7614 tgvalt 7615 subtop 7643 fctopOLD 7647 cctop 7649 elcls 7701 clsndisj 7703 elcls3 7708 islp2 7744 lpbl 7877 methausi 7878 omls 9241 pjomlt 9264 shinclt 9346 shmod 9358 chm0t 9409 chinclt 9417 chdmm1t 9443 ledit 9458 cmbrt 9522 cmbr3t 9546 mdbrt 10216 dmdmdt 10222 dmdit 10224 dmdbr3 10227 dmdbr4 10228 mdslmd1lem4 10250 cvmdt 10258 cvexcht 10296 dmdbr6at 10345 mddmdin0 10353 infi1 10441 intprd 10461 neiopne 10463 filint 10548 cnfilca 10562 dtt2 10589 ishgrag 10740 hgralem 10741 ispgrag 10750 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-10 968 ax-12 970 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-sb 1174 df-clab 1467 df-cleq 1472 df-clel 1475 df-v 1815 df-in 2054 |