Question

Which of the following is/are a topology on = {1,2,3,4}?

1. {, ,{1},{2}}

2. {, ,{4}}

3. {, ,{2,3}}​

Answer 1

Answer:

All of them or maybe 1&2

Step-by-step explanation:

Hope it helps you

Answer 2

Answer:

all these options are correct.