Question

Prove that if a set has an identity element, , under ∗, then is always its own inverse

score 1.7k · Answer 1 · 2020-02-09 17:39:29

1.7k

Views

Prove that if a set has an identity element, , under ∗, then is always its own inverse

Published on 09 Feb 2020 - 17:39

score 56 · Answer 2 · 2020-02-09 21:03:44

56

Views

Prove that the binary operation a*b=a does not contradict the theorem 2.1.8

Published on 09 Feb 2020 - 21:03

score 536 · Answer 3 · 2020-02-10 00:01:18

536

Views

let s be a binary set with a binary operation * and identity element e. let $a^{-1}$ be an inverse then $a^{-1}$ is the only element in S

Published on 10 Feb 2020 - 0:01

score 404 · Answer 4 · 2026-03-26 22:42:19

404

Views

What is the identity element of 4

Published on 26 Mar 2026 - 22:42

score 146 · Answer 5 · 2026-03-25 11:13:34

146

Views

Proving pair consisting of a set and binary operation is a group and whether it is Abelian.

Published on 25 Mar 2026 - 11:13

score 74 · Answer 6 · 2026-03-25 17:35:38

74

Views

Representing a sentence using propositional logic

Published on 25 Mar 2026 - 17:35

score 1.4k · Answer 7 · 2020-02-22 19:51:17

1.4k

Views

Does symbol "$+$" denote an operation in the notation of a complex number: "$a+ib$"? In case it does, which operation does "$+$" denote?

Published on 22 Feb 2020 - 19:51

score 140 · Answer 8 · 2020-02-23 00:52:41

140

Views

How many binary operations with a zero element can be defined on a set $M$ with $n$ elements in it?

Published on 23 Feb 2020 - 0:52

score 135 · Answer 9 · 2020-02-23 21:27:09

135

Views

Binary operation on the set of first n positive integers

Published on 23 Feb 2020 - 21:27

score 89 · Answer 10 · 2020-02-25 09:53:32

89

Views

Prove that if a set of whole numbers is closed for subtraction, it is closed for addition.

Published on 25 Feb 2020 - 9:53

score 76 · Answer 11 · 2020-03-05 02:28:14

76

Views

How many bits are needed to encode the following?

Published on 05 Mar 2020 - 2:28

score 100 · Answer 12 · 2020-03-05 23:26:46

100

Views

How to deduce the "divide by a fraction" formula from the definition of division

Published on 05 Mar 2020 - 23:26

score 117 · Answer 13 · 2020-03-06 04:32:03

Prove or disprove that if a and b have inverses with respect to ∗, then so does a∗b (where * is an associative binary operation with an identity e)?

score 120 · Answer 14 · 2026-03-25 03:01:05

120

Views

Is an associative binary operation with trivial squares necessarily commutative?

Published on 25 Mar 2026 - 3:01

score 204 · Answer 15 · 2026-03-26 02:50:20

204

Views

Models of a certain (weird) equational theory

Published on 26 Mar 2026 - 2:50

List Question

Prove that if a set has an identity element, , under ∗, then is always its own inverse

Prove that the binary operation a*b=a does not contradict the theorem 2.1.8

let s be a binary set with a binary operation * and identity element e. let $a^{-1}$ be an inverse then $a^{-1}$ is the only element in S

What is the identity element of 4

Proving pair consisting of a set and binary operation is a group and whether it is Abelian.

Representing a sentence using propositional logic

Does symbol "$+$" denote an operation in the notation of a complex number: "$a+ib$"? In case it does, which operation does "$+$" denote?

How many binary operations with a zero element can be defined on a set $M$ with $n$ elements in it?

Binary operation on the set of first n positive integers

Prove that if a set of whole numbers is closed for subtraction, it is closed for addition.

How many bits are needed to encode the following?

How to deduce the "divide by a fraction" formula from the definition of division

Prove or disprove that if a and b have inverses with respect to ∗, then so does a∗b (where * is an associative binary operation with an identity e)?

Is an associative binary operation with trivial squares necessarily commutative?

Models of a certain (weird) equational theory

Trending Questions

Popular # Hahtags

Popular Questions