309 ;;Quote: meaning is not in the head; consider Twin Earth where water is really XYZ yet in 1750 everyone thought they were the same

310 ;;Quote: meaning is not in the head; consider Twin Earth where only metallurgists know that the names and usages of aluminum and molybdenum were switched

311 ;;Quote: there may be many users of the word 'gold' but only metallurgists can recognize gold; i.e., the society determines the meaning of 'gold'

312 ;;Quote: a common name such as "water" is a predicate for "this liquid is water"; equivalent in all possible worlds (same_L), including being H_20

314 ;;Quote: 'water' is the same (same_L) in all possible worlds, i.e. it is indexical and a rigid designator

Higg. ;;Note: indexical pronouns ('she') refers to x in all possible worlds even though fixed by a description such as 'the person pointed to'

315 ;;Quote: the extension of a term is determined socially and by the actual nature of particular things; the actual nature is not fully known by the speaker

Higg. ;;Note: 'sense' can not both determine reference and the mode of presentation as determined by psychological states

Higg. ;;Note: consider testing someone about meaning (recognizing an F, knowing what an F is); meaning is an articulate representation of reality