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Mirrors > Home > MPE Home > Th. List > eqeltrrdi | Structured version Visualization version GIF version |
Description: A membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
Ref | Expression |
---|---|
eqeltrrdi.1 | ⊢ (𝜑 → 𝐵 = 𝐴) |
eqeltrrdi.2 | ⊢ 𝐵 ∈ 𝐶 |
Ref | Expression |
---|---|
eqeltrrdi | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqeltrrdi.1 | . . 3 ⊢ (𝜑 → 𝐵 = 𝐴) | |
2 | 1 | eqcomd 2826 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
3 | eqeltrrdi.2 | . 2 ⊢ 𝐵 ∈ 𝐶 | |
4 | 2, 3 | eqeltrdi 2920 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-ext 2792 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1780 df-cleq 2813 df-clel 2892 |
This theorem is referenced by: wemoiso2 7668 releldm2 7735 mapprc 8403 ixpprc 8476 bren 8511 brdomg 8512 domssex 8671 mapen 8674 ssenen 8684 fodomfib 8791 fi0 8877 dffi3 8888 brwdom 9024 brwdomn0 9026 unxpwdom2 9045 ixpiunwdom 9048 tcmin 9176 rankonid 9251 rankr1id 9284 cardf2 9365 cardid2 9375 carduni 9403 fseqen 9446 acndom 9470 acndom2 9473 alephnbtwn 9490 cardcf 9667 cfeq0 9671 cflim2 9678 coftr 9688 infpssr 9723 hsmexlem5 9845 axdc3lem4 9868 fodomb 9941 ondomon 9978 gruina 10233 ioof 12829 hashbc 13808 hashfacen 13809 trclun 14369 zsum 15070 fsum 15072 fprod 15290 eqgen 18328 symgfisg 18591 dvdsr 19391 asplss 20098 aspsubrg 20100 psrval 20137 clsf 21651 restco 21767 subbascn 21857 is2ndc 22049 ptbasin2 22181 ptbas 22182 indishmph 22401 ufldom 22565 cnextfres1 22671 ussid 22864 icopnfcld 23371 cnrehmeo 23552 csscld 23847 clsocv 23848 itg2gt0 24356 dvmptadd 24554 dvmptmul 24555 dvmptco 24566 logcn 25228 selberglem1 26119 hmopidmchi 29926 sigagensiga 31421 dya2iocbrsiga 31554 dya2icobrsiga 31555 logdivsqrle 31942 fnessref 33726 unirep 35021 indexdom 35042 dicfnN 38352 pwslnmlem0 39767 mendval 39859 icof 41556 dvsubf 42272 dvdivf 42281 itgsinexplem1 42313 stirlinglem7 42439 fourierdlem73 42538 fouriersw 42590 ovolval4lem1 43005 |
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