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Definition df-qs 6048
Description: Define quotient set.  R is usually an equivalence relation. Definition of [Enderton] p. 58. (Contributed by NM, 23-Jul-1995.)
Assertion
Ref Expression
df-qs 
/. R  {  |  R }
Distinct variable groups:   ,,   , R,

Detailed syntax breakdown of Definition df-qs
StepHypRef Expression
1 cA . . 3
2 cR . . 3  R
31, 2cqs 6041 . 2 
/. R
4 vy . . . . . 6  setvar
54cv 1241 . . . . 5
6 vx . . . . . . 7  setvar
76cv 1241 . . . . . 6
87, 2cec 6040 . . . . 5  R
95, 8wceq 1242 . . . 4  R
109, 6, 1wrex 2301 . . 3  R
1110, 4cab 2023 . 2  {  |  R }
123, 11wceq 1242 1  /. R  {  |  R }
Colors of variables: wff set class
This definition is referenced by:  qseq1  6090  qseq2  6091  elqsg  6092  qsexg  6098  uniqs  6100  snec  6103  qsinxp  6118  qliftf  6127
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