The etymological origin of the term dyad is found in Latin. Specifically, it derives from "dyas, dyadis," which can be translated as "union of two things."
In our language , the term dyad it is used accentuated in the letter I and refers to a couple whose members maintain a very close bond .
The German sociologist and philosopher Georg Simmel He is appointed as responsible for the development of the notion of dyad. Simmel , analyzing the smaller social groups, appealed to the idea of dyad to refer to set consisting of two close friends or a sentimental couple .
On a dyad, according to German, social interactions are more intense compared to what happens in the groups with more members. This is because the focus is exclusively on the other member, without there being more people who can compete for it.
For this same reason, the links are more significant and solid in a dyad. Anyway, these groups of two members are also unstable because both must commit to the subsistence of the whole, something that does not happen if there is more people (In a group of ten individuals, two or three members may defect but the whole will continue to exist).
In the same way, it should not be overlooked that in the fields of psychology and medicine, in general, there is talk of mother-filial dyad. It is a term with which the close relationship and emotional bonding that exists between a mother and her child since she has been carrying it inside her and that is increased once the baby is born becomes clear.
Diada , without tilde in the I , is used in the language Catalan and, by extension, also began to be used in Spanish. The National Day of Catalonia , mentioned simply as Diada , is the National Day of Catalonia , a holiday that is commemorated every 11 of September to remember the decline of Barcelona before the Bourbon army, occurred in 1714 within the framework of the Spanish Succession War .
When in 1980 the Parliament of Catalonia , the dyad was instituted. During the day floral offerings are made to Catalan heroes and different activities are carried out.
Specifically, among the activities carried out during the Catalan Day we can highlight the offerings in the Cemetery of Las Moreras, where many of the people who defended that land and who ended up falling are buried.
However, we must not overlook that the anthem of that autonomous community, "Els Segador" is sung, and that an institutional event is organized in the Park of the Citadel. The Generalitat is the one that prepares that in which different statements are made and in which the performance of different singers is usually counted.
In addition, informational posts on the Diada are placed through different emblematic places of Catalonia and floral offerings are made to the military Josep Moragues (1669 - 1715) and the jurist Rafael Casanova (1660 - 1743), who were key figures during the mentioned War of Succession .