Indicate which of the following relations below are equivalence relations, strict partial orders, (weak) partial orders....

Indicate which of the following relations below are equivalence relations, strict partial orders, (weak) partial orders. If a relation is none of the above, indicate whether it is transitive, symmetric, or asymmetric. I won't be grading proofs of your results here, but I highly suggest you know how to prove your results.

The relation ?=?+1 between intgers ?,?.
The superset relation ⊇ on the power set of integers.
The divides relation on the nonnegative integers ?.
The divides relation on all the integers ?.
The divides relation on the positive powers of 4.

Expert Solution

Colby Messinger answered 2 years ago

Let R and S be equivalence relations on a set X. Which of the following are...

Let R and S be equivalence relations on a set X. Which of the following are necessarily equivalence relations? (1)R ∩ S (2)R \ S . Please show me the proof. Thanks!

List the statements for the following transaction using the relations below: jsmith orders 1 book with...

List the statements for the following transaction using the relations below: jsmith orders 1 book with ISBN 1045678900 on April 24, 2018. Note: Bold Represents Primary Key. Italizied attributes in some relations denote foregin keys. MEMBER(last_name, first_name, email, password, user, street, city, state, zip, card_type, card_no, expiration, name_on_card) BOOKS_FOR_SALE(listing_no, seller, isbn, condition, price) ORDERS(order_no, buyer, order_date, total) ITEMS(order_no, listing_no) BOOK(isbn, title, author, edition, publisher, keywords)

For each of the following, indicate if the species is a strong or weak acid. If...

For each of the following, indicate if the species is a strong or weak acid. If it is a weak acid, write the hydrolysis reaction and the Ka expression. HF HI HNO2 H2SO3 HClO3 HClO4 H2SO4 HClO

There are as many equivalence classes as there are which of the following

There are as many equivalence classes as there are which of the following? (Select all that apply.) Answer Choices: A. distinct horizontal lines in the plane B. distinct integers C. distinct real numbers D. distinct vertical lines in the plane E. distinct lines in the plane whose coordinates equal each other

1.Which of the following orders instructs the broker to sell at or below a specified price?...

1.Which of the following orders instructs the broker to sell at or below a specified price? Select one: a. Limit-sell order b. Stop-loss c. Limit-buy order d. Stop-buy order e. Market order 2.Hedge funds may invest or engage in Select one: a. distressed firms. b. convertible bonds. c. currency speculation. d. merger arbitrage. e. All of the options are correct. 3.The smallest component of the fixed-income market is _______ debt. Select one: a. Treasury b. other asset-backed c. corporate d....

Please answer the following questions below: Read each of the examples below, and indicate which is...

Please answer the following questions below: Read each of the examples below, and indicate which is an example of positive feedback and which is an example of negative feedback. Also provide at least one example of a threshold that might be observed within the system as it is described. Feedback Type Process Positive: _______ Negative: _______ 1. When a human’s body temperature increases beyond 98.6 ºF, it normally releases water through the pores. As this water is evaporated, the transfer...

Indicate which of the following types of risk is represented by the statements below: (ERM...

Indicate which of the following types of risk is represented by the statements below: (ERM Appendix 1.1) Types of Risk: Market Risk (M) Credit Risk (C) Liquidity Risk (L) Operational Risk (O) Legal and Regulatory Risk (LR) Business/Strategic Risk (B) Strategic Risk (S) Reputation Risk (R) 1. ________ A firm may not be able to raise the necessary cash to roll over...

For the following preferences, sketch the indifference curves. Also explain whether the preferences satisfy weak convexity and strict convexity.

Question 1: For the following preferences, sketch the indifference curves. Also explain whether the preferences satisfy weak convexity and strict convexity.Preferences #1: The two goods in the commodity space are cats and dogs. The consumer loves cats but hates dogs. Their preferences are determined by the number of cats minus the number of dogs (i.e. one bundle is preferred to another it has more cats minus the number of dogs.Preferences #2: The two goods in the commodity space are plants...

In each of the circumstances listed below, indicate, by appropriate letter, which of the following types...

In each of the circumstances listed below, indicate, by appropriate letter, which of the following types of opinions should be rendered on the entity's financial statements? Mix and match Each question should have a Letter by it (some answers will apply to multiple questions) A. Unmodified B. Qualified C. Adverse D. Disclaimer ___ 1. Departure from generally accepted accounting principles that is material but not pervasive. ___ 2. Going-concern uncertainties that may have a material (but not pervasive) effect on...

Which of the following is present in the flask at the equivalence point if the ethanoic...

Which of the following is present in the flask at the equivalence point if the ethanoic acid-sodium hydroxide titration? Explain your answers carefully. A. CH3COOH (aq) B. NaOH (aq) C. CH3COONa (aq).

Question