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 #### 5. an automaton, i.e. a set of states and transitions can rewrite this space
 #### 6. ***states*** can represent ***space*** 
 - here, **space** can be understand as **a representation or approximation of a real space** 
-- but a **state** can be a **space** as well as a text or any other set of symbols or writings (ex: tags) that can be drawn in the graph using the same encoding and a **state** can be an association of both.
+- but a **state** can be a **space** as well as a text or any other set of symbols or writings (ex: tags) that can be drawn in the graph using the same encoding or it can be any association of both.
 #### 7. transitions are all combinations of ***a single type of elementary transition***
 #### 8. the coding of static information (states) and dynamic information (transitions) is distinct
 - the purpose of this restriction is to maintain a strict **homogeneity of the rules** (cf. §7) which is the condition of their automatic management and edition.