L11_A
3.2 The Heine-Borel THeorem(cont.)
(1) convergent subsequence
(2) Thm: compact set in R
(3) relation of A,B subset in a metric space
L11_B
3.2 The Heine-Borel THeorem(cont.)
(1) finite subcover
3.3 Nested Set property
(1) Question1:nonempty subsets
L11_C
3.3 Nested Set property(cont.)
(1) Thm:(Nested set property)
L11_D
3.3 Nested Set property(cont.)
(1) unit sphere in R^3