## Sample Exam, F10PC Solutions, Topology, Autumn 2011 Question 1.

Section 7: Countable and Uncountable Sets An infinite set is the one which is not finite. It is countably infinite if there is a bijective correspondence of with.

Section 23: Problem 2 Solution Working problems is a crucial part of learning mathematics. No one can learn topology merely by poring over the definitions, theorems, and examples that are worked out in the text. One must work part of it out for oneself. To provide that opportunity is the purpose of the exercises.

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Math 215A Algebraic Topology Fall 2018 Tuesday, Thursday 10:30-11:50 am in 380-381T Teaching Staff.

Elementary Topology Problem Textbook O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov. Introduction iii. By a riddle we mean a problem whose solution (and often also the mean-ing) should be rather guessed than calculated or deduced from the formula-tion.

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View Notes - Homework 1 Solutions from MATH 203a at University of California, San Diego. Math 203A, Solution Set 1. Problem 1. Show that the Zariski topology on A2 is not the product of the.