the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration. 2. something serving as proof or supporting evidence: They sent a check as a demonstration of their concern.
Code Yellow: Usually used for bomb threats. Code Purple: Child abduction, or when assistance is needed for a patient who is too heavy to transport. Code Pink: Infant or child abduction. Code Silver: Combative person with a weapon.
In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory but they are purples according to common English usage since they are between red and blue.