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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 4915 | . 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 1540 ∩ cint 4912 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-9 2119 ax-ext 2702 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-ral 3046 df-rex 3055 df-int 4913 |
| This theorem is referenced by: elreldm 5901 ordintdif 6385 fniinfv 6941 onsucmin 7798 elxp5 7901 1stval2 7987 2ndval2 7988 naddcllem 8642 naddov2 8645 naddcom 8648 naddrid 8649 naddasslem1 8660 naddasslem2 8661 naddass 8662 naddsuc2 8667 fundmen 9004 xpsnen 9028 unblem2 9246 unblem3 9247 fiint 9283 fiintOLD 9284 elfi2 9371 fi0 9377 elfiun 9387 tcvalg 9697 tz9.12lem3 9748 rankvalb 9756 rankvalg 9776 ranksnb 9786 rankonidlem 9787 cardval3 9911 cardidm 9918 harsucnn 9957 cfval 10206 cflim3 10221 coftr 10232 isfin3ds 10288 fin23lem17 10297 fin23lem39 10309 isf33lem 10325 isf34lem5 10337 isf34lem6 10339 wuncval 10701 tskmval 10798 cleq1 14955 dfrtrcl2 15034 mrcfval 17575 mrcval 17577 cycsubg2 19148 efgval 19653 rgspnval 20527 lspfval 20885 lspval 20887 lsppropd 20931 aspval 21788 aspval2 21813 clsfval 22918 clsval 22930 clsval2 22943 hauscmplem 23299 cmpfi 23301 1stcfb 23338 fclscmp 23923 scutval 27718 spanval 31268 chsupid 31347 intimafv 32640 fldgenval 33268 primefldgen1 33277 zarclsint 33868 zarcmplem 33877 sigagenval 34136 kur14 35203 mclsval 35550 igenval 38050 pclfvalN 39878 pclvalN 39879 diaintclN 41047 docaffvalN 41110 docafvalN 41111 docavalN 41112 dibintclN 41156 dihglb2 41331 dihintcl 41333 mzpval 42713 dnnumch3lem 43028 aomclem8 43043 rp-intrabeq 43203 nadd1suc 43374 minregex2 43517 iotain 44399 salgenval 46312 mreclat 48973 |
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