Question: For some reason when I do an example of the exercise, it throws me an error and I can't figure out why. This is Coq

For some reason when I do an example of the exercise, it throws me an error and I can't figure out why. This is Coq programming language

(** **** Exercise: 2 stars, standard (third) Define a function (third: nat -> nat] that divides a number by three, rounding down. =) Fixpoint third in nat) : nat - match with 10-> IS @ @ is(s(n)) -> S(third(n)) end. Example third four_is_one : third 4 = 1. Proof. Simpl. reflexivity. Oed. U: - *goals All L4 Coq Goals Helm WK) Error: (diff) Unable to unify "1" with "2". (** **** Exercise: 2 stars, standard (third) Define a function (third: nat -> nat] that divides a number by three, rounding down. =) Fixpoint third in nat) : nat - match with 10-> IS @ @ is(s(n)) -> S(third(n)) end. Example third four_is_one : third 4 = 1. Proof. Simpl. reflexivity. Oed. U: - *goals All L4 Coq Goals Helm WK) Error: (diff) Unable to unify "1" with "2

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Please make the C++ program that follow the below steps ------------------------------------------------------------------------------- -----------------------------------------------------------...

CHA P TER 9 Understanding Software: A Primer for Managers 1. INTRODUCTION L E A R N I N G O B J E C T I V E S 1. Recognize the importance of software and its implications for the rm and strategic...

Python and most Python libraries are free to download or use, though many users use Python through a paid service. Paid services help IT organizations manage the risks associated with the use of...

(a) Explain how a limit worth may be tended to at run-time, both in a syntaxtree middle person and in collected code. What is the importance word "settled" already? [3 marks] (b) Give a model program...

JavaScript Object Notation or JSON is a well-known, lightweight data-interchange format, which is easily readable/writable by humans [1][2]. It is also easy for machines to parse and generate. JSON...

Let r and s be solutions to the quadratic equation x 2 b x + c = 0. For n N, define d0 = 0 d1 = r s dn = b dn1 c dn2 (n 2) Prove that dn = r n s n for all n N. [4 marks] (b) Recall that a commutative...

Identify and discuss the benefits of using different types of instructional feedback. Note : You must cite the reference Augmented Feedback How Giving Feedback Influences Learning KEY TERMS absolute...

Data gistrun sending inside a pack fills in as conventional allowing subordinate rules to execute on progressive clock cycles. Correspondence between gatherings conventionally causes a surprising...

Project 2 Project 2 is a continuation of the calculator graphical user interface program that you wrote in project 1. Enhance the calculator program to accomplish the following 4 operations. 1....

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

Answer the question on the basis of the following cost data. a) The total variable cost of producing 3 units of output is _________ b) The average total cost of producing 3 units of output is...

The CFPB has provided an explainer for the CD. The "explainer" is completely interactive and goes through each page of the CD and asks a series of questions. It also gives basic definitions of key...

Lending Club facilitates loans for either 3 or 5 years. There is information available that allows potential investors to search and browse the loan listings on the Lending Club website and select...

P-1) (100 Pts.) A chemical manufacturing company (CMC) has a contract for the procurement of the neccssaly chemicals from four suppliers. The chemicals purchased from Supplier A are priced at $20...

(Appendices) UNCOLLECTIBLE ACCOUNT EXPENSE: AGING METHOD. Cindy Bagnal, the manager of Cayce Printing Service, has provided you with the following aging schedule for Cayces accounts receivable: Cindy...

(Appendices) EFFECTS OF DISCOUNTS ON SALES AND PURCHASES. Helmkamp Products sells golf clubs and accessories to pro shops. During 19x5, Helmkamp purchased merchandise with a list price of $628,500 on...

(Appendices) Compare and contrast the three major ways economies can be organized. What type of economy exists in the United States? Do you think another type of economy would be better? Explain your...