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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 6656 | . 2 ⊢ ((𝑅 ∈ V ∧ 𝐵 ∈ 𝐴) → [𝐵]𝑅 ∈ (𝐴 / 𝑅)) | |
| 3 | 1, 2 | mpan 424 | 1 ⊢ (𝐵 ∈ 𝐴 → [𝐵]𝑅 ∈ (𝐴 / 𝑅)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2167 Vcvv 2763 [cec 6599 / cqs 6600 |
| 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-un 4469 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-br 4035 df-opab 4096 df-xp 4670 df-cnv 4672 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 df-ec 6603 df-qs 6607 |
| This theorem is referenced by: ecopqsi 6658 th3q 6708 1nq 7452 addclnq 7461 mulclnq 7462 recexnq 7476 ltexnqq 7494 prarloclemarch 7504 prarloclemarch2 7505 nnnq 7508 nqnq0 7527 addnnnq0 7535 mulnnnq0 7536 addclnq0 7537 mulclnq0 7538 nqpnq0nq 7539 prarloclemlt 7579 prarloclemlo 7580 prarloclemcalc 7588 nqprm 7628 addsrpr 7831 mulsrpr 7832 0r 7836 1sr 7837 m1r 7838 addclsr 7839 mulclsr 7840 prsrcl 7870 mappsrprg 7890 suplocsrlemb 7892 pitonnlem2 7933 pitonn 7934 pitore 7936 recnnre 7937 |
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