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| Mirrors > Home > MPE Home > Th. List > inteqd | Structured version Visualization version GIF version | ||
| Description: Equality deduction for class intersection. (Contributed by NM, 2-Sep-2003.) |
| Ref | Expression |
|---|---|
| inteqd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| inteqd | ⊢ (𝜑 → ∩ 𝐴 = ∩ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | inteqd.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | inteq 4887 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → ∩ 𝐴 = ∩ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∩ cint 4884 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-ral 3055 df-rex 3065 df-int 4885 |
| This theorem is referenced by: elreldm 5884 ordintdif 6368 fniinfv 6912 onsucmin 7768 elxp5 7870 1stval2 7955 2ndval2 7956 naddcllem 8609 naddov2 8612 naddcom 8615 naddrid 8616 naddasslem1 8627 naddasslem2 8628 naddass 8629 naddsuc2 8634 fundmen 8975 xpsnen 8996 unblem2 9200 unblem3 9201 fiint 9234 elfi2 9324 fi0 9330 elfiun 9340 tcvalg 9655 tz9.12lem3 9711 rankvalb 9719 rankvalg 9739 ranksnb 9749 rankonidlem 9750 cardval3 9874 cardidm 9881 harsucnn 9920 cfval 10167 cflim3 10182 coftr 10193 isfin3ds 10249 fin23lem17 10258 fin23lem39 10270 isf33lem 10286 isf34lem5 10298 isf34lem6 10300 wuncval 10663 tskmval 10760 cleq1 14943 dfrtrcl2 15022 mrcfval 17572 mrcval 17574 cycsubg2 19183 efgval 19690 rgspnval 20591 lspfval 20970 lspval 20972 lsppropd 21015 aspval 21854 aspval2 21880 clsfval 23015 clsval 23027 clsval2 23040 hauscmplem 23396 cmpfi 23398 1stcfb 23435 fclscmp 24020 cutsval 27797 spanval 31429 chsupid 31508 intimafv 32810 fldgenval 33403 primefldgen1 33412 zarclsint 34063 zarcmplem 34072 sigagenval 34331 onvf1odlem3 35340 kur14 35451 mclsval 35798 igenval 38435 pclfvalN 40388 pclvalN 40389 diaintclN 41557 docaffvalN 41620 docafvalN 41621 docavalN 41622 dibintclN 41666 dihglb2 41841 dihintcl 41843 mzpval 43188 dnnumch3lem 43498 aomclem8 43513 rp-intrabeq 43673 nadd1suc 43844 minregex2 43986 iotain 44868 salgenval 46771 mreclat 49494 |
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