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| Description: Equality inference for intersection of two classes. |
| Ref | Expression |
|---|---|
| ineq1i.1 |
|
| Ref | Expression |
|---|---|
| ineq2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ineq1i.1 |
. 2
| |
| 2 | ineq2 3003 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: in4 3022 inindir 3024 indif2 3047 difun1 3062 undif1 3149 difdifdir 3156 intunsn 3435 dfepfr 3796 epfrc 3797 res0 4344 resres 4350 resundi 4351 resindi 4353 inres 4355 resopab 4373 dffr3 4415 dminxp 4462 resdmres 4492 funimacnv 4590 tfrlem10 5292 tz7.44-2 5301 tz7.44-3 5302 frfnom 5323 sbthlem5 5680 dfsup2 5889 dfsup2OLD 5890 dfsup3OLD 5891 zfregs 5990 infxpenlem 6147 cdainf 6258 axdc3lem4 6308 kmlem11 6347 dmaddpi 6536 dmmulpi 6537 ssxr 6899 bastg 9743 subtop 9767 cncfmet 10049 tx1cn 11058 tx2cn 11059 fbssint 11117 chdmj3i 11873 chdmj4i 11874 chjassi 11876 pjoml2i 11993 pjoml3i 11994 cmcmlem 11999 cmcm2i 12001 cmbr3i 12008 fh3i 12031 fh4i 12032 osumcor2i 12057 mayetes3i 12142 mdslmd3i 12735 mdexchi 12738 atabsi 12804 dmdbr5ati 12825 dfpo2 14465 dfpred2 14528 predidm 14542 wfrlem13 14622 isunscov 15096 empos 15322 inposet 15359 dispos 15371 bwt2 15738 intopcon 15742 singempcon 15743 compsublem 16254 iccbnd 16850 pol0 18326 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1592 ax-gen 1593 ax-8 1594 ax-9 1595 ax-10 1596 ax-11 1597 ax-12 1598 ax-17 1605 ax-4 1608 ax-5o 1610 ax-6o 1613 ax-9o 1763 ax-10o 1781 ax-16 1854 ax-11o 1864 ax-ext 2123 |
| This theorem depends on definitions: df-bi 220 df-or 338 df-an 339 df-ex 1616 df-sb 1816 df-clab 2129 df-cleq 2134 df-clel 2137 df-v 2540 df-in 2834 |