Scope note: This property qualifies the end of an E52 Time-Span in some way. The nature of the qualification may be certainty, precision, source etc. Examples: - the time-span of the Holocene (E52) end is qualified by approximately (E62) In First Order Logic: P80(x,y) ⊃ E52(x) P80(x,y) ⊃ E62(y) P80(x,y) ⊃ P3(x,y)