Lecture

Finite Cas X and Notations

Description

This lecture covers the case where X is finite, introducing Lemma 1.14 which states that for a set X and a collection of objects in Ab, if X is finite then the sum of the objects is equal to the product of the objects. Various notations and useful information for direct sums are presented, emphasizing the finite number of non-zero components in the sum.

Official source

https://mediaspace.epfl.ch/media/0_koia5w5k

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Ontological neighbourhood

Mathematics

Algebra: Abstract algebra

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