- evolution -- walking, tools, brain size
- (frontal) brain size -- socializing/grooming, from 20 to 80%
- 1-7 levels of intentionality -- 2nd = theory of mind
- what do we speak about, when we speak about ...
Peter believes [1] that Jane thinks [2]
that Sally wants [3] Peter to suppose [4]
that Jane intends [5] Sally to believe [6]
that ... her ball is under the cushion.
Robin Dunbar -- The Human Story (p. 46) / cycle(s)
