The Gateway to Computer Science Excellence
+1 vote
382 views
4. The power set of the set {ϕ} is

(A) {ϕ}

(B) {ϕ, {ϕ}}

(C) {0}

(D) {0, ϕ, {ϕ}}
in Set Theory & Algebra by (399 points)
retagged by | 382 views

2 Answers

0 votes
Shouldn't the answer be {o, {}}, where o is the empty set or ϕ
by (431 points)
0
No options are correct right ??
0
Yes, none of the options seem to be correct.
0
Option B is correct.. Isnt?
0 votes
Option B is correct
by (63 points)
Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
50,737 questions
57,352 answers
198,472 comments
105,244 users