Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 4871 | . 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 1533 ∩ cint 4868 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1777 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-ral 3143 df-int 4869 |
This theorem is referenced by: intprg 4902 elreldm 5799 ordintdif 6234 fniinfv 6736 onsucmin 7530 elxp5 7622 1stval2 7700 2ndval2 7701 fundmen 8577 xpsnen 8595 unblem2 8765 unblem3 8766 fiint 8789 elfi2 8872 fi0 8878 elfiun 8888 tcvalg 9174 tz9.12lem3 9212 rankvalb 9220 rankvalg 9240 ranksnb 9250 rankonidlem 9251 cardval3 9375 cardidm 9382 cfval 9663 cflim3 9678 coftr 9689 isfin3ds 9745 fin23lem17 9754 fin23lem39 9766 isf33lem 9782 isf34lem5 9794 isf34lem6 9796 wuncval 10158 tskmval 10255 cleq1 14337 dfrtrcl2 14415 mrcfval 16873 mrcval 16875 cycsubg2 18347 efgval 18837 lspfval 19739 lspval 19741 lsppropd 19784 aspval 20096 aspval2 20121 clsfval 21627 clsval 21639 clsval2 21652 hauscmplem 22008 cmpfi 22010 1stcfb 22047 fclscmp 22632 spanval 29104 chsupid 29183 sigagenval 31394 kur14 32458 mclsval 32805 scutval 33260 igenval 35333 pclfvalN 37019 pclvalN 37020 diaintclN 38188 docaffvalN 38251 docafvalN 38252 docavalN 38253 dibintclN 38297 dihglb2 38472 dihintcl 38474 mzpval 39322 dnnumch3lem 39639 aomclem8 39654 rgspnval 39761 harsucnn 39896 iotain 40742 salgenval 42600 |
Copyright terms: Public domain | W3C validator |