Real II Flashcards
(71 cards)
topology, open, closed, ex (metric space), indiscrete topology, discrete topology, relative topology
1
closure, interior, boundary
2
limit point, proposition (closure of A)
3
local base, base, subbase, Theorem (TFAE, 3), Theorem (generates)
4
product topology, proposition
5
first countable, second countable, proposition
6
convergence in topological space, proposition (point in closure IFF)
7
cofinite topology, cocountable topology
8
T1/T2/T3/T4
9
continuous at x, Proposition (TFAE, 4)
10
weak topology
11
product space theorems (3 of em)
12
C(X), C_b(X), Theorem
13
Urysohn’s Lemma
14
Tiktze Theorem (2 versions), completely regular
15
directed set, net, tail
16
(wrt nets) frequently in, eventually in, x_\alpha -> p, subnet, ex, Theorem 1 (TFAE, 2), Theorem 2, Theorem 3
17
notions of compactness (1,1’,2,3,3’,4), 3 theorems
18
universal net, Lemma, Theorem (net compactness; TFAE, 4)
19
locally compact
20
Tychonoff Theorem
21
equicontinuous, pointwise bounded
22
Arzela-Ascoli (3 versions)
23
Stone-Weierstrass
24