# 10-327/Errata to Munkres' Book

### An email from Munkres

(Sorry, I should have posted it long ago, but I forgot I had it Drorbn 13:03, 6 November 2010 (EDT)).

```From [email suppressed] Tue Dec 14 18:46:06 2004
Date: Thu, 9 Dec 2004 22:10:01 -0500
From: Barbara and Jim Munkres [email suppressed]
To: drorbn@math.toronto.edu
Subject: I hope this is useful

ERRATA FOR TOPOLOGY, SECOND EDITION
(second and subsequent printings)

xii, 13     of connectedness and compactness in Chapter 3.

107; 2     f maps [0,1) into S super 1

118; Exercise 9, line 2, J is not empty.

143; 1    composite  g  is ...

151; 2*     (a sub 1, ..., a sub N, 0, 0, ...)

187; 4*     Let  A  be a subset of  X.

203; 12     b < a.  Neither  U  nor  V  contains a sub 0.

203; 15     ... U  and  V  not containing  a sub 0, but
containing

205; 9*     if and only if  X  is  T sub 1  and for
every...

224;  13     open in  X sub i  for each  i.

235; 13*     Show that if  X  is Hausdorff

237; 8       Assume script A  is a covering of X  by
basis elements such that

251;  7     less than or equal to  1/n

261; 7      replace "paracompact" by "metrizable".

262; 8      (x, epsilon sub i)

263; 1*     Throughout, we assume Section 28.

266; 8*     rho super bar  is a metric;

356; 7     Find a ball centered at the origin...

417; 11     element of P(W),

421; 8     length (at least 3), then

425; 10*     (G sub 1) * (G sub 2)

445; 10     Exercise 2 should be starred.

466; 4     = (w sub 0)[y sub 1] a [y sub 2] b...

481; 1     with k(h(e sub 0)) = e sub 0.

488; 4     F = p inverse (b sub 0).

488; 11     of the subset

503; 14*     either empty or a one- or two-point set!
```