Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > ineq2 | Structured version Visualization version GIF version |
Description: Equality theorem for intersection of two classes. (Contributed by NM, 26-Dec-1993.) |
Ref | Expression |
---|---|
ineq2 | ⊢ (𝐴 = 𝐵 → (𝐶 ∩ 𝐴) = (𝐶 ∩ 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ineq1 4180 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∩ 𝐶) = (𝐵 ∩ 𝐶)) | |
2 | incom 4177 | . 2 ⊢ (𝐶 ∩ 𝐴) = (𝐴 ∩ 𝐶) | |
3 | incom 4177 | . 2 ⊢ (𝐶 ∩ 𝐵) = (𝐵 ∩ 𝐶) | |
4 | 1, 2, 3 | 3eqtr4g 2881 | 1 ⊢ (𝐴 = 𝐵 → (𝐶 ∩ 𝐴) = (𝐶 ∩ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∩ cin 3934 |
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-tru 1536 df-ex 1777 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-rab 3147 df-in 3942 |
This theorem is referenced by: ineq12 4183 ineq2i 4185 ineq2d 4188 uneqin 4254 intprg 4909 wefrc 5548 onfr 6229 onnseq 7980 qsdisj 8373 disjenex 8674 fiint 8794 elfiun 8893 dffi3 8894 cplem2 9318 dfac5 9553 kmlem2 9576 kmlem13 9587 kmlem14 9588 ackbij1lem16 9656 fin23lem12 9752 fin23lem19 9757 fin23lem33 9766 uzin2 14703 pgpfac1lem3 19198 pgpfac1lem5 19200 pgpfac1 19201 inopn 21506 basis1 21557 basis2 21558 baspartn 21561 fctop 21611 cctop 21613 ordtbaslem 21795 hausnei2 21960 cnhaus 21961 nrmsep 21964 isnrm2 21965 dishaus 21989 ordthauslem 21990 dfconn2 22026 nconnsubb 22030 finlocfin 22127 dissnlocfin 22136 locfindis 22137 kgeni 22144 pthaus 22245 txhaus 22254 xkohaus 22260 regr1lem 22346 fbasssin 22443 fbun 22447 fbunfip 22476 filconn 22490 isufil2 22515 ufileu 22526 filufint 22527 fmfnfmlem4 22564 fmfnfm 22565 fclsopni 22622 fclsbas 22628 fclsrest 22631 isfcf 22641 tsmsfbas 22735 ustincl 22815 ust0 22827 metreslem 22971 methaus 23129 qtopbaslem 23366 metnrmlem3 23468 ismbl 24126 shincl 29157 chincl 29275 chdmm1 29301 ledi 29316 cmbr 29360 cmbr3i 29376 cmbr3 29384 pjoml2 29387 stcltrlem1 30052 mdbr 30070 dmdbr 30075 cvmd 30112 cvexch 30150 sumdmdii 30191 mddmdin0i 30207 ofpreima2 30410 crefeq 31109 ldgenpisyslem1 31422 ldgenpisys 31425 inelsros 31437 diffiunisros 31438 elcarsg 31563 carsgclctunlem2 31577 carsgclctun 31579 ballotlemfval 31747 ballotlemgval 31781 cvmscbv 32505 cvmsdisj 32517 cvmsss2 32521 satfv1 32610 nepss 32948 tailfb 33725 bj-0int 34392 mblfinlem2 34929 qsdisjALTV 35849 lshpinN 36124 elrfi 39289 fipjust 39922 conrel1d 40006 ntrk0kbimka 40387 clsk3nimkb 40388 isotone2 40397 ntrclskb 40417 ntrclsk3 40418 ntrclsk13 40419 csbresgVD 41227 disjf1 41441 qinioo 41809 fouriersw 42515 nnfoctbdjlem 42736 meadjun 42743 caragenel 42776 |
Copyright terms: Public domain | W3C validator |