Display only document with no response

Hi I want to create a selection formula to display only document with no response in a view. How I can do this ? Thanks

Subject: Display only document with no response

There are various methods, but probably the easiest is;

View Properties > Info tab >

Uncheck the ‘Show response documents in hierarchy’

Then add what ever selection formula you need to select only the documents you want eg. SELECT Form = “memo”