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Mirrors > Home > MPE Home > Th. List > ecexg | Structured version Visualization version 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 7744 | . 2 | |
2 | imaexg 7103 | . 2 | |
3 | 1, 2 | syl5eqel 2705 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 cvv 3200 csn 4177 cima 5117 cec 7740 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-cnv 5122 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-ec 7744 |
This theorem is referenced by: ecelqsg 7802 uniqs 7807 eroveu 7842 erov 7844 addsrpr 9896 mulsrpr 9897 quslem 16203 eqgen 17647 qusghm 17697 sylow2blem1 18035 vrgpval 18180 znzrhval 19895 qustgpopn 21923 qustgplem 21924 elpi1 22845 pi1xfrval 22854 pi1xfrcnvlem 22856 pi1xfrcnv 22857 pi1cof 22859 pi1coval 22860 pstmfval 29939 fvline 32251 ecex2 34100 |
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