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Related theorems GIF version |
| Description: Equality deduction for intersection of two classes. |
| Ref | Expression |
|---|---|
| ineq1d.1 | ⊢ (φ → A = B) |
| Ref | Expression |
|---|---|
| ineq2d | ⊢ (φ → (C ∩ A) = (C ∩ B)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ineq1d.1 | . 2 ⊢ (φ → A = B) | |
| 2 | ineq2 2263 | . 2 ⊢ (A = B → (C ∩ A) = (C ∩ B)) | |
| 3 | 1, 2 | syl 10 | 1 ⊢ (φ → (C ∩ A) = (C ∩ B)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 = wceq 992 ∩ cin 2098 |
| This theorem is referenced by: ineq12d 2270 frirr 2954 fr2nr 2955 fr3nr 3138 reseq2 3456 resdisj 3556 isofrlem 4015 oev2 4298 kmlem11 4921 basis1 7826 eltg 7830 indistop 7860 clslp 7958 metssba 8019 bcthlem15 8224 omlsi 9522 pjoml 9545 chdmj3 9730 chdmj4 9731 ledi 9739 cmbr 9803 cmbr3 9827 pjoml3 9831 fh1 9837 fh2 9838 dmdbr 10507 dmdmd 10508 dmdbr5 10516 dmdsl3 10523 irredlem2 10600 irredlem3 10601 dmdbr6ati 10632 moec 10745 basmetres 11416 topbnd 11460 opnbnd 11461 cldbnd 11462 subsubtop 11479 cnsubsp2 11484 compsub 11488 reconnlem1 11507 elfg 11633 neifg 11644 fcluscomplem 11732 isfclusf 11737 fclsfneii 11740 subspabs 11903 heiborlem25 12035 heiborlem26 12036 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-12 1004 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 |
| This theorem depends on definitions: df-bi 145 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-v 1858 df-in 2103 |