1-2g3.1 It’s explanations all the way down
3-1c2e5 Symbols are constructed of other symbols
10-2g3 Symbols are shaped by social values, social knowledge, and social structures
3-1c2e3.2 Not all symbols are explicit
2-1a4 ‘Language instinct’ - Language can’t exhaust mind
3-1c2e4 There is no limit to the number of symbols available to humans for languages