Math, asked by rahul637, 1 year ago

why is phi is a subset of every set?

Answers

Answered by dragomegaman

phi means nothing in sets. just as 0 means nothing in numbers. If we say we have 0 cake, so it means we have no cake. Similarly to express that a set is empty. we define it by phi

Previous Question

Next Question

Similar questions

English, 8 months ago

will be deducted if answer exceed than 300 words. Q1. What is meant by the expression "knowledge is free"? Write a note on the changing relationships between Khushwant Singh Q2. and his grandmother? 23. 24. 25. How does 'The Solitary Reaper' affect the poet? Discuss different types of tenses with appropriate examples. (5 Marks) Write a short paragraph on any two of the followings- (a) Clean...

Science, 8 months ago

guys please answer fast fast please...

English, 8 months ago

Then she flies away. - Alfred Tenn 1. Fill in the blanks: 1. The little birdie wants to away 2. The mother wants the baby to a little longer. 3. The birdie is in the 4. The birdie rests till her little are stronger. 5. Find rhyming words for: Say Longer 1...

Math, 1 year ago

dtaw the graph of linear equation 2x+y=8 on Cartesian plane.write the coordinate of the point where this intersects x-axis and y-axis...

Geography, 1 year ago

what are the advantages of renewable energy...

Math, 1 year ago

2/3 * 5/3. with steps...

Science, 1 year ago

why do boiled seeds fail to sprout?

Hindi, 1 year ago

Samvad lekhan in Hindi on weather between two friends...