MIN _ _ _ _ _ _ _ _ _ _ _ _ operator
The operator min is an n-ary prefix operator, which returns the smallest value in its arguments.
min(<expression>{,<expression>}*)
<expression> must evaluate to a number. min of an empty list returns 0.
min(-3,0,17,2); -3 <<a := 23;b := 2*a;c := 4**2;min(a,b,c)>>; 16 min(5,10,a); 5