420 Suggested Problems: (from Munkres 2000)
section13: 4,7,8
section14: Prove that the topology in the Example 4 of page 85 is not the discrete topology.
section16: 1,3,4,6,8,9,10
section17: 4,12,13,16,18,20
section15: Prove that if A is closed in X and B is closed in Y then AxB is closed in XxY.
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section18: 5,11,12
section20: 1,3
section21: 1,2,3,10,12
section22: 2b,3,4,5,6
section23: 1,2,4,5,6,7
section24: 7,8
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section26: 1,2,3,4,5,6,7,8,9
section27: 1,2a,2b,3,4
section28: 2,3
section29: 1,3,5,6,8
section30: 2,3,4,5a,12
Show that the lower limit topology on the reals is not metrizable.
section31: 1,2,4,5,6,7
section32: 1,3
section33: 8
section34: 1,3,4,5
section35: 1,2
section36: 
Supplementary Exercises p228: 1e,1f,1k,2,3,4,5(finite products only),6