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| j | g | h | c | p |
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| m | n | d | f | l |
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| K | L | M | N | O | |||||
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An event type is a set of events of which all sources belong to the same determined pole (O or M) and of which all destinations belong to the same determined pole (O or M). There are four event types : OO (energies), OM (acts), MO (mutations) and MM (concepts) Event types are composed of events bound by interdependant dialectical relations.
| OOenergies | OMacts | MOmutations | MMconcepts |