	
	_L_o_g_i_c_a_l _V_e_c_t_o_r_s
	
	     logical(n=0)
	     as.local(x)
	     is.logical(x)
	
	_D_e_s_c_r_i_p_t_i_o_n:
	
	     logical creates a logical vector of the specified
	     length.  Each element of the vector is equal to FALSE.
	
	     as.logical attempts to coerce its argument to be of
	     logical type.
	
	     is.logical returns TRUE or FALSE depending on whether
	     its argument is of logical type or not.
	
