Assertion: school board's meeting | /r/HasProperty | valid
Facets:
value: usually
type: DEGREE
Source sentences:
text: Usually, a meeting which is held without notice having been given is still valid if all of the directors attend, but it has been held that a failure to give notice may negate resolutions passed at a meeting, because the persuasive oratory of a minority of directors might have persuaded the majority to change their minds and vote otherwise.