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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 4911 | . 2 ⊢ (𝐴 = 𝐵 → ∩ 𝐴 = ∩ 𝐵) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → ∩ 𝐴 = ∩ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1563 ∩ cint 4908 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-ral 3080 df-rex 3090 df-int 4909 |
| This theorem is referenced by: elreldm 5916 ordintdif 6401 fniinfv 6949 onsucmin 7805 elxp5 7908 1stval2 7991 2ndval2 7992 naddcllem 8650 naddov2 8653 naddcom 8657 naddrid 8658 naddasslem1 8669 naddasslem2 8670 naddass 8671 naddsuc2 8676 fundmen 9016 xpsnen 9037 unblem2 9241 unblem3 9242 fiint 9274 elfi2 9362 fi0 9368 elfiun 9378 tcvalg 9693 tz9.12lem3 9749 rankvalb 9757 rankvalg 9777 ranksnb 9787 rankonidlem 9788 cardval3 9926 cardidm 9933 harsucnn 9972 cfval 10218 cflim3 10234 coftr 10245 isfin3ds 10301 fin23lem17 10310 fin23lem39 10322 isf33lem 10338 isf34lem5 10350 isf34lem6 10352 wuncval 10715 tskmval 10812 cleq1 15010 dfrtrcl2 15089 mrcfval 17654 mrcval 17656 cycsubg2 19272 efgval 19778 rgspnval 20688 lspfval 21063 lspval 21065 lsppropd 21108 aspval 21982 aspval2 22008 clsfval 23143 clsval 23155 clsval2 23168 hauscmplem 23524 cmpfi 23526 1stcfb 23563 fclscmp 24148 cutsval 27931 spanval 31594 chsupid 31673 intimafv 32968 fldgenval 33548 primefldgen1 33557 zarclsint 34179 zarcmplem 34188 sigagenval 34447 onvf1odlem3 35460 onvfowev 35471 kur14 35579 mclsval 35926 nmulprop 36553 nmulcom 36557 igenval 38572 pclfvalN 40525 pclvalN 40526 diaintclN 41694 docaffvalN 41757 docafvalN 41758 docavalN 41759 dibintclN 41803 dihglb2 41978 dihintcl 41980 mzpval 43325 dnnumch3lem 43635 aomclem8 43650 rp-intrabeq 43810 nadd1suc 43981 minregex2 44123 iotain 44991 salgenval 46893 mreclat 49626 |
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