At: comp  choice 1 1 1 1 1 1 1 2
1. E: 




Prop
2. 
x,y:
. Dec(x E y)
3. r: 






4. 
x,y:
. (x r y) 
 (x E y)
5. EquivRel x,y:
. x r y
 
 
n:
. n r Min{ x | xrn }
By: 
Analyze 0
THEN
BackThru
 
  Thm* 
E:(





), n:
. (EquivRel x,y:
. x E y) 
 (n E Min{ x | xEn })
Generated subgoals:None
About: