Original: These include propositions about: (a) an inquiry, (b) a method of obtaining knowledge through systematic doubt and continual testing, (c) the arbitrariness, relativity, or subjectivity of moral values, (d) the limitations of knowledge, (e) a method of intellectual caution and suspended judgment.
Simplified: These include: (a) an inquiry; (b) a method of obtaining knowledge through systematic doubt and continual testing; (c) the arbitrariness, relativity, or subjectivity of moral values; (d) the limitations of knowledge; (e) a method of intellectual caution and suspended judgment.