Baley later finds that another robot, Giskard, has committed the crime in an attempt to study humans from Earth to test their suitability to further explore the universe rather than robots or the Aurorains. ... They use such tests such as the law of the excluded middle and the law of contradiction to prove their theories. ... Most modern philosopher believes everything is subjective and things appear differently to us based on ethnicity, race, gender or socio-economic status. ...

• Word Count: 1671
• Approx Pages: 7
• Grade Level: High School

Loring Brace says "If we test the distribution of the widely known ABO blood-group system, then Europeans and Africans are closer to each other than either is to Chinese" (Brace). ... They also agree that there is no biological basis for distinguishing among human groups, other than gender. ...

• Word Count: 1692
• Approx Pages: 7
• Grade Level: High School