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II - General characteristics issued from the linguistic analysis of  protocols

1 - General organization
(a)  every disk (1, 2, 3, 4) can be a solid, real disk, and a disk detached
of reality.
(b) detached disks (or detached pegs) could be elabored either from :
- a partition between properties of a solid disk (or solid peg) : peg b can
give rise to different denominations such as disk b, green disk, column,
column b
- or from a gen