<Li> Plain meaning rule </Li> <Tr> <Th> General theories of interpretation </Th> </Tr> <Tr> <Td> <Ul> <Li> Living Constitution / living tree doctrine </Li> <Li> Originalism (original meaning) </Li> <Li> Original intent (legislative intent, legislative history) </Li> <Li> Strict constructionism </Li> <Li> Textualism </Li> <Li> Purposive approach </Li> </Ul> </Td> </Tr> <Ul> <Li> Living Constitution / living tree doctrine </Li> <Li> Originalism (original meaning) </Li> <Li> Original intent (legislative intent, legislative history) </Li> <Li> Strict constructionism </Li> <Li> Textualism </Li> <Li> Purposive approach </Li> </Ul>

Why is the constitution considered a living and flexible document