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| Mirrors > Home > ILE Home > Th. List > ecelqsi | Unicode 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 |
|
| Ref | Expression |
|---|---|
| ecelqsi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ecelqsi.1 |
. 2
| |
| 2 | ecelqsg 6862 |
. 2
| |
| 3 | 1, 2 | mpan 428 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 |
| This proof 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-xp 4780 df-cnv 4782 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-ec 6809 df-qs 6813 |
| This theorem is used by: ecopqsi 6864 th3q 6914 1nq 7733 addclnq 7742 mulclnq 7743 recexnq 7757 ltexnqq 7775 prarloclemarch 7785 prarloclemarch2 7786 nnnq 7789 nqnq0 7808 addnnnq0 7816 mulnnnq0 7817 addclnq0 7818 mulclnq0 7819 nqpnq0nq 7820 prarloclemlt 7860 prarloclemlo 7861 prarloclemcalc 7869 nqprm 7909 addsrpr 8112 mulsrpr 8113 0r 8117 1sr 8118 m1r 8119 addclsr 8120 mulclsr 8121 prsrcl 8151 mappsrprg 8171 suplocsrlemb 8173 pitonnlem2 8214 pitonn 8215 pitore 8217 recnnre 8218 |
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