In the graph view you could find 6 differently colored nodes, plus the uncolored grey nodes; ideally there would be only colored notes in the network.

TypeColorHex-CodeDescriptionExample
Hinge#DDCC77Apodictic posing sentences, that act fundamental for the network. Axioms, Principles, Fundamental Laws of Physic
Assumption#332288Sentences that need to be fulfilled for another sentence to hold true.Constraints, Edge Conditions
Derivation#CC6677Mathematical or Logical sentences by derivation from another.Compositions, Lemmas
Relational#882255Sentences that relate to co-conditions and not fall under the types derivation or assumption.Confounder
Regular#44AA99Regularly, law-like, or scholastically predictive sentences; formalized expectations. Local physical laws, Matthew-Effect
Observational#88CCEESentences, that describe concrete observable situations or are functional in concrete observations or predictions.Hypothesis, Predictions

The color-scheme should be accessible for color blind people and is by Paul Tol and was found on Davis Nichols site. The scheme has 8 colors thus two colors could still be used for later additions:

#117733
#AA4499

The typology of sentences used here was developed in my master thesis. The classes Assumptions, Derivations and Relational where clamped to a class of sentences that disambiguate or relate other sentences. Interestingly I couldn’t seem to find a clear short name for this class.