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Mirrors > Home > MPE Home > Th. List > ineq1i | Structured version Visualization version GIF version |
Description: Equality inference for intersection of two classes. (Contributed by NM, 26-Dec-1993.) |
Ref | Expression |
---|---|
ineq1i.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
ineq1i | ⊢ (𝐴 ∩ 𝐶) = (𝐵 ∩ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ineq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | ineq1 4131 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∩ 𝐶) = (𝐵 ∩ 𝐶)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 ∩ 𝐶) = (𝐵 ∩ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∩ cin 3880 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-rab 3115 df-in 3888 |
This theorem is referenced by: in12 4147 inindi 4153 dfrab3 4230 dfif5 4441 disjpr2 4609 disjtpsn 4611 disjtp2 4612 resres 5831 imainrect 6005 predidm 6138 fresaun 6523 fresaunres2 6524 ssenen 8675 hartogslem1 8990 prinfzo0 13071 leiso 13813 f1oun2prg 14270 smumul 15832 setsfun 16510 setsfun0 16511 firest 16698 lsmdisj2r 18803 frgpuplem 18890 ltbwe 20712 tgrest 21764 fiuncmp 22009 ptclsg 22220 metnrmlem3 23466 mbfid 24239 ppi1 25749 cht1 25750 ppiub 25788 chdmj2i 29265 chjassi 29269 pjoml2i 29368 pjoml4i 29370 cmcmlem 29374 mayetes3i 29512 cvmdi 30107 atomli 30165 atabsi 30184 uniin1 30315 disjuniel 30360 imadifxp 30364 gtiso 30460 preiman0 30469 prsss 31269 ordtrest2NEW 31276 esumnul 31417 measinblem 31589 eulerpartlemt 31739 ballotlem2 31856 ballotlemfp1 31859 ballotlemfval0 31863 chtvalz 32010 fmla0disjsuc 32758 mthmpps 32942 dffv5 33498 bj-sscon 34465 bj-discrmoore 34526 mblfinlem2 35095 ismblfin 35098 mbfposadd 35104 itg2addnclem2 35109 asindmre 35140 abeqin 35674 xrnres 35810 redundeq1 36024 refrelsredund4 36027 diophrw 39700 dnwech 39992 lmhmlnmsplit 40031 rp-fakeuninass 40224 iunrelexp0 40403 nznngen 41020 uzinico2 42199 limsup0 42336 limsupvaluz 42350 sge0sn 43018 31prm 44114 |
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