Lecture

Relations, Sequences and Summations

Description

This lecture covers the definition of strings as finite sequences of characters, telescoping proofs, lexicographic ordering on strings, countable sets, cardinality, and the concept of countability. It also explores the countability of positive even integers, integers, and rational numbers, as well as the countability of powersets. The lecture concludes with a discussion on uncountable sets and Cantor diagonalization.

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