Assertion: design | /r/HasProperty | rare
Facets:
value: only then
type: DEGREE
Source sentences:
text: The term "waterfall" was coined for such methodologies to signify that progress went sequentially in one direction only, i.e., once analysis was complete then and only then was design begun and it was rare (and considered a source of error) when a design issue required a change in the analysis model or when a coding issue required a change in design.