Reflection of Ethno Mathematics on 6th March 2013



Reflection of Ethno Mathematics on 6th March 2013

We learned about ethnomathematics with Prof Marsigit. He given us everything that we didn’t know before. In this day, he created quiz which could make us known about everything and known about this world. He said that mathematics is a language. He said that because he had a reference. People who said that mathematics is a language were Wittgenstein. And then, Prof Marsigit also said about 4 dimensions of communication. And that parts of communication had to arrange and didn’t random. Or we could that they were sequence. The first level was material, second was formal and the third was normative. The highest of that sequence was spiritual. Spiritual communication was on the peak of grade in communication. If we could use this last one, we could reach the highest level of the life.
And then, we knew about new thing. It was the direction of knowledge. There were two direction of knowledge. It weren’t horizontal and vertical, but up and down. Prof Marsigit said knowledge that we had learned also could reach in peak or went straight to the bottom. We should always upgrade every inch of ourselves everyday and every time, although our age would influence our capacity.
Mathematics was not only in this era. We could find mathematics long long time ago. How to prove it? If we had time machine we could go to past time. Nevertheless, we couldn’t create time machine right now. The only way was searching inheritance of people in last time. Prof Marsigit said that the product of mathematician in last time was the artefact. We could it in the museum that shown the inheritance of mathematician last time. In Java, Aijsaka was the first king that introduced us about a Javanese language and in that language also there were Javanese numbers. Numbers of Javanese there were twenty, no more or no less.
From Javanese culture we also could learn about mathematics. The day of Javanese there were Legi, Pahing, Pon, Wage and Kliwon. When there was an event, Javanese people always used that day to count when the event would be done. They didn’t release that they had used characteristic of mathematics. They used permutation to decide the day of an event. It showed us that mathematics developed in the small place or in the village and also primitive peoples.
There were three dimensions of interaction. They were individual, small group discussion and the last was the whole group discussion. The individual interaction was about our self. The small discussion was about one people with the other people but in the small part. The example of small discussion was between students with a teacher in the classroom. For the last was whole group discussion, we could say that the classroom which included students and their teacher was the example of whole group discussion. The whole group discussion could increase confident of each student in that class if they were active.

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