Negation

Negation indicates that a given event is an exclusion, rather than inclusion criteria.

Trigger

A phrase such as not, doesn't, or abstain from.

Note: if the word "except" is used, annotate instead as an Exception.

Examples

_{Example of 'Negation' as an exclusion of patients with rheumatoid arthritis.}

Arguments

• Negates - One or more Events which are negated.
• Temporality - An optional Eq-Comparison during which the negated event must occur.