Leonard Bloomfield

It starts with the term scientific… Language interests everyone.

a) Outside speakers
b) Inside speakers
c) Speech relating the two

Sapir concluded that a minimum for human language is formation and expression of concrete and relational ideas . Language can be seen as the totality of mutually effective substitute responses.

Mentalism differs from materialism by distinguishing langue from parole. It opposes wholes or parts to material and formal principles; mind to brain; understanding to experiencing.