- #1

MathematicalPhysicist

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https://web.stanford.edu/class/math285/ts-gmt.pdf

on page 2 in remark 1.5(1), it's written that:

##\cap_{j=1}^\infty A_j = X\setminus (X\setminus \cup_{j=1}^\infty A_j)##

this seems totally wrong, shouldn't it be ##X\setminus \cup_{j=1}^\infty (X\setminus A_j)## ?

I wonder if this book has other such pitfalls...