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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 3217 |
. 2
| |
| 3 | 1, 2 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: intprg 3251 onsucmin 3901 elreldm 4185 elxp5 4380 fniinfv 4727 1stval2 5030 2ndval2 5031 fundmen 5487 xpsnen 5494 mapunen 5596 unblem2 5634 unblem3 5635 fiint 5650 tz9.12lem1 5770 tz9.12lem3 5772 rankval 5779 rankvalg 5780 rankonid 5806 oncardval 5865 alephon 5876 omsubsuc 5877 cardval 5975 alephsuc 6014 cfval 6054 xpnnen 8768 clsfval 8944 clsval 8953 fbssint 10279 fbunfip 10282 spanval 10932 hsupval2 10933 chsupid 10944 moec 14351 istopx 14918 tarval2 15249 tarval2g 15250 fictb 15371 omsubsucOLD 15386 compfipin0lem 15435 compfipin0 15436 ist1-3 15543 fcluscomplem 15620 inficl 15757 heiborlem8 15962 heiborlem13 15967 igenval 16209 iotain 16381 ordintdif 16440 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-ral 2109 df-int 3215 |