Genotype and Phenotype, p 159
A molecule of DNA --a genotype-- is converted into a physical organism --a phenotype-- by a very complex process, involving the manufacture of proteins, the replication of the DNA, the replication of cells, the gradual differentiation of cell types, and so on. Incidentally, this unrolling of phenotype from genotype --epigenesis-- is the most tangled of tangled recursions [...]
The Five Peano Postulates, p 216
- Genie is a djinn.
- Every djinn has a meta (which is also a djinn).
- Genie is not the meta of any djinn.
- Different djinns have different metas.
- If Genie has X, and each djinn relays X to its meta, then all djinns get X.
Chunking and Chess Skill, p 286
[The chess master] thinks on a different level from the novice [...] The trick is that his mode of perceiving the board is like a filter: he literally does not see bad moves when he looks at a chess situation --no more than chess amateurs see illegal moves [...] This might be called implicit pruning [...]