Mathematics, 14.09.2019 05:30 georgehall3027
A) prove that the set in 14b is closed, by showing that its complement is open (directly from the definition of open sets). b) prove that the same set is closed, using the generalization of proposition 1.4.9 which is true for maps from c to r or rm as well.
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A) prove that the set in 14b is closed, by showing that its complement is open (directly from the de...
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