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| Mirrors > Home > ILE Home > Th. List > ecexg | Unicode version | ||
| Description: An equivalence class modulo a set is a set. (Contributed by NM, 24-Jul-1995.) |
| Ref | Expression |
|---|---|
| ecexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ec 6690 |
. 2
| |
| 2 | imaexg 5082 |
. 2
| |
| 3 | 1, 2 | eqeltrid 2316 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-xp 4725 df-cnv 4727 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-ec 6690 |
| This theorem is referenced by: ecelqsg 6743 uniqs 6748 eroveu 6781 th3q 6795 dmaddpq 7577 dmmulpq 7578 addnnnq0 7647 mulnnnq0 7648 addsrpr 7943 mulsrpr 7944 quslem 13372 eqgen 13779 qusghm 13834 znzrhval 14626 |
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