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| Description: Equality deduction for class intersection. |
| Ref | Expression |
|---|---|
| inteqd.1 |
|
| Ref | Expression |
|---|---|
| inteqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | inteqd.1 |
. 2
| |
| 2 | inteq 2540 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: onsucmin 3078 elreldm 3344 elxp5 3460 fniinfv 3772 1stval2 4095 2ndval2 4096 fundmen 4434 xpsnen 4441 mapunen 4508 unblem2 4552 unblem3 4553 fiint 4572 fiintOLD 4573 tz9.12lem1 4669 tz9.12lem3 4671 rankval 4678 rankvalg 4679 rankonid 4705 oncardval 4829 cardval 4836 alephon 4876 alephsuc 4877 cfval 4918 xpnnen 7500 clsfval 7665 clsval 7674 spanvalt 9294 hsupval2t 9295 chsupid 9306 moec 10451 intprd 10461 |
| 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-ral 1652 df-int 2538 |