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| Mirrors > Home > ILE Home > Th. List > ecelqsi | GIF version | ||
| Description: Membership of an equivalence class in a quotient set. (Contributed by NM, 25-Jul-1995.) (Revised by Mario Carneiro, 9-Jul-2014.) |
| Ref | Expression |
|---|---|
| ecelqsi.1 | ⊢ 𝑅 ∈ V |
| Ref | Expression |
|---|---|
| ecelqsi | ⊢ (𝐵 ∈ 𝐴 → [𝐵]𝑅 ∈ (𝐴 / 𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ecelqsi.1 | . 2 ⊢ 𝑅 ∈ V | |
| 2 | ecelqsg 6856 | . 2 ⊢ ((𝑅 ∈ V ∧ 𝐵 ∈ 𝐴) → [𝐵]𝑅 ∈ (𝐴 / 𝑅)) | |
| 3 | 1, 2 | mpan 428 | 1 ⊢ (𝐵 ∈ 𝐴 → [𝐵]𝑅 ∈ (𝐴 / 𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 Vcvv 2821 [cec 6799 / cqs 6800 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-xp 4778 df-cnv 4780 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-ec 6803 df-qs 6807 |
| This theorem is referenced by: ecopqsi 6858 th3q 6908 1nq 7727 addclnq 7736 mulclnq 7737 recexnq 7751 ltexnqq 7769 prarloclemarch 7779 prarloclemarch2 7780 nnnq 7783 nqnq0 7802 addnnnq0 7810 mulnnnq0 7811 addclnq0 7812 mulclnq0 7813 nqpnq0nq 7814 prarloclemlt 7854 prarloclemlo 7855 prarloclemcalc 7863 nqprm 7903 addsrpr 8106 mulsrpr 8107 0r 8111 1sr 8112 m1r 8113 addclsr 8114 mulclsr 8115 prsrcl 8145 mappsrprg 8165 suplocsrlemb 8167 pitonnlem2 8208 pitonn 8209 pitore 8211 recnnre 8212 |
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