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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 4170 | . 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 1541 ∩ cin 3912 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-rab 3406 df-in 3920 |
This theorem is referenced by: in12 4185 inindi 4191 dfrab3 4274 dfif5 4507 disjpr2 4679 disjtpsn 4681 disjtp2 4682 resres 5955 imainrect 6138 predidm 6285 fresaun 6718 fresaunres2 6719 ssenen 9102 hartogslem1 9487 prinfzo0 13621 leiso 14370 f1oun2prg 14818 smumul 16384 setsfun 17054 setsfun0 17055 firest 17328 lsmdisj2r 19481 frgpuplem 19568 ltbwe 21482 tgrest 22547 fiuncmp 22792 ptclsg 23003 metnrmlem3 24261 mbfid 25036 ppi1 26550 cht1 26551 ppiub 26589 lrrecse 27297 lrrecpred 27299 chdmj2i 30487 chjassi 30491 pjoml2i 30590 pjoml4i 30592 cmcmlem 30596 mayetes3i 30734 cvmdi 31329 atomli 31387 atabsi 31406 uniin1 31537 disjuniel 31582 imadifxp 31586 gtiso 31682 preiman0 31691 prsss 32586 ordtrest2NEW 32593 esumnul 32736 measinblem 32908 eulerpartlemt 33060 ballotlem2 33177 ballotlemfp1 33180 ballotlemfval0 33184 chtvalz 33331 fmla0disjsuc 34079 mthmpps 34263 dffv5 34585 bj-sscon 35573 bj-discrmoore 35655 mblfinlem2 36189 ismblfin 36192 mbfposadd 36198 itg2addnclem2 36203 asindmre 36234 abeqin 36785 xrnres 36937 redundeq1 37164 refrelsredund4 37167 diophrw 41140 dnwech 41433 lmhmlnmsplit 41472 rp-fakeuninass 41910 iunrelexp0 42096 nznngen 42718 uzinico2 43920 limsup0 44055 limsupvaluz 44069 sge0sn 44740 31prm 45909 |
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