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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 2804 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
3 | eqeltrrdi.2 | . 2 ⊢ 𝐵 ∈ 𝐶 | |
4 | 2, 3 | eqeltrdi 2898 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 |
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-cleq 2791 df-clel 2870 |
This theorem is referenced by: wemoiso2 7657 releldm2 7724 mapprc 8393 ixpprc 8466 bren 8501 brdomg 8502 domssex 8662 mapen 8665 ssenen 8675 fodomfib 8782 fi0 8868 dffi3 8879 brwdom 9015 brwdomn0 9017 unxpwdom2 9036 ixpiunwdom 9038 tcmin 9167 rankonid 9242 rankr1id 9275 cardf2 9356 cardid2 9366 carduni 9394 fseqen 9438 acndom 9462 acndom2 9465 alephnbtwn 9482 cardcf 9663 cfeq0 9667 cflim2 9674 coftr 9684 infpssr 9719 hsmexlem5 9841 axdc3lem4 9864 fodomb 9937 ondomon 9974 gruina 10229 ioof 12825 hashbc 13807 hashfacen 13808 trclun 14365 zsum 15067 fsum 15069 fprod 15287 eqgen 18325 symgfisg 18588 dvdsr 19392 asplss 20560 aspsubrg 20562 psrval 20600 clsf 21653 restco 21769 subbascn 21859 is2ndc 22051 ptbasin2 22183 ptbas 22184 indishmph 22403 ufldom 22567 cnextfres1 22673 ussid 22866 icopnfcld 23373 cnrehmeo 23558 csscld 23853 clsocv 23854 itg2gt0 24364 dvmptadd 24563 dvmptmul 24564 dvmptco 24575 logcn 25238 selberglem1 26129 hmopidmchi 29934 sigagensiga 31510 dya2iocbrsiga 31643 dya2icobrsiga 31644 logdivsqrle 32031 fnessref 33818 unirep 35151 indexdom 35172 dicfnN 38479 pwslnmlem0 40035 mendval 40127 icof 41848 dvsubf 42556 dvdivf 42564 itgsinexplem1 42596 stirlinglem7 42722 fourierdlem73 42821 fouriersw 42873 ovolval4lem1 43288 |
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