Question

If a relation is not symmetric shall we say that it is anti symmetric?

score 2.1k · Answer 1 · 2026-04-11 18:49:13

2.1k

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If a relation is not symmetric shall we say that it is anti symmetric?

Published on 11 Apr 2026 - 18:49

score 74 · Answer 2 · 2026-03-27 08:47:00

74

Views

Correct notation to combine functions in one function

Published on 27 Mar 2026 - 8:47

score 145 · Answer 3 · 2018-03-09 22:05:09

145

Views

Set notation for specific cartesian product set?

Published on 09 Mar 2018 - 22:05

score 31 · Answer 4 · 2018-03-09 22:21:12

31

Views

The bound of the cardinalities of the sets that are subsets of their power set

Published on 09 Mar 2018 - 22:21

score 59 · Answer 5 · 2018-03-10 06:37:29

59

Views

Is $0$ in the set $K = \{1/n : n\in \Bbb N\}$?

Published on 10 Mar 2018 - 6:37

score 1.1k · Answer 6 · 2018-03-10 13:16:11

Let $f,g$ be functions such that $(g\circ f)(x)=x$ for all $x \in D(f)$ and $(f\circ g)(y)=y$ for all $y \in D(g)$, prove that $g=f^{-1}$

score 352 · Answer 7 · 2026-04-11 19:23:20

352

Views

Axiom of Dependent Choice implies Axiom of Countable Choice [Proof Verification]

Published on 11 Apr 2026 - 19:23

score 171 · Answer 8 · 2018-03-10 18:02:46

171

Views

Initial ordinals and Axiom of Choice

Published on 10 Mar 2018 - 18:02

score 63 · Answer 9 · 2026-04-09 19:30:12

63

Views

↑ and ↓ relations on measures (Durett)

Published on 09 Apr 2026 - 19:30

score 130 · Answer 10 · 2026-04-08 23:26:34

130

Views

Initial segment of $\mathbb{Z}$ not determined by an element

Published on 08 Apr 2026 - 23:26

score 238 · Answer 11 · 2026-04-12 15:46:26

238

Views

Trying to prove the empty set is at most countable by the definition

Published on 12 Apr 2026 - 15:46

score 454 · Answer 12 · 2026-04-12 18:48:01

454

Views

Axiom of Dependent Choice implies Axiom of Countable Choice

Published on 12 Apr 2026 - 18:48

score 758 · Answer 13 · 2026-04-12 03:53:10

758

Views

Let $A, B, C$, and $D$ be sets with $C \subseteq A$ and $D \subseteq B$. Prove that $D-A \subseteq B-C$.

Published on 12 Apr 2026 - 3:53

score 664 · Answer 14 · 2026-04-09 22:46:37

664

Views

Quantified definition for "not a proper subset"

Published on 09 Apr 2026 - 22:46

score 54 · Answer 15 · 2026-04-03 00:22:13

54

Views

How many distinct games are there on a set of cards?

Published on 03 Apr 2026 - 0:22

List Question

If a relation is not symmetric shall we say that it is anti symmetric?

Correct notation to combine functions in one function

Set notation for specific cartesian product set?

The bound of the cardinalities of the sets that are subsets of their power set

Is $0$ in the set $K = \{1/n : n\in \Bbb N\}$?

Let $f,g$ be functions such that $(g\circ f)(x)=x$ for all $x \in D(f)$ and $(f\circ g)(y)=y$ for all $y \in D(g)$, prove that $g=f^{-1}$

Axiom of Dependent Choice implies Axiom of Countable Choice [Proof Verification]

Initial ordinals and Axiom of Choice

↑ and ↓ relations on measures (Durett)

Initial segment of $\mathbb{Z}$ not determined by an element

Trying to prove the empty set is at most countable by the definition

Axiom of Dependent Choice implies Axiom of Countable Choice

Let $A, B, C$, and $D$ be sets with $C \subseteq A$ and $D \subseteq B$. Prove that $D-A \subseteq B-C$.

Quantified definition for "not a proper subset"

How many distinct games are there on a set of cards?

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