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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 4181 | . 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 1537 ∩ cin 3935 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-rab 3147 df-in 3943 |
This theorem is referenced by: in12 4197 inindi 4203 dfrab3 4278 dfif5 4483 disjpr2 4649 disjtpsn 4651 disjtp2 4652 resres 5866 imainrect 6038 predidm 6170 fresaun 6549 fresaunres2 6550 ssenen 8691 hartogslem1 9006 prinfzo0 13077 leiso 13818 f1oun2prg 14279 smumul 15842 setsfun 16518 setsfun0 16519 firest 16706 lsmdisj2r 18811 frgpuplem 18898 ltbwe 20253 tgrest 21767 fiuncmp 22012 ptclsg 22223 metnrmlem3 23469 mbfid 24236 ppi1 25741 cht1 25742 ppiub 25780 chdmj2i 29259 chjassi 29263 pjoml2i 29362 pjoml4i 29364 cmcmlem 29368 mayetes3i 29506 cvmdi 30101 atomli 30159 atabsi 30178 uniin1 30303 disjuniel 30347 imadifxp 30351 gtiso 30436 prsss 31159 ordtrest2NEW 31166 esumnul 31307 measinblem 31479 eulerpartlemt 31629 ballotlem2 31746 ballotlemfp1 31749 ballotlemfval0 31753 chtvalz 31900 fmla0disjsuc 32645 mthmpps 32829 dffv5 33385 bj-sscon 34344 bj-discrmoore 34406 mblfinlem2 34945 ismblfin 34948 mbfposadd 34954 itg2addnclem2 34959 asindmre 34992 abeqin 35529 xrnres 35665 redundeq1 35879 refrelsredund4 35882 diophrw 39405 dnwech 39697 lmhmlnmsplit 39736 rp-fakeuninass 39931 iunrelexp0 40096 nznngen 40697 uzinico2 41887 limsup0 42024 limsupvaluz 42038 sge0sn 42710 31prm 43809 |
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