Instead of the concept of live productions in CNF, let us define a live nonterminal to be

Question:

Instead of the concept of live productions in CNF, let us define a live nonterminal to be one appearing at the left side of a live production. A dead nonterminal N is one with only productions of the single form

N → terminal

If m is the number of live nonterminals in a CFG in CNF, prove that any word w of length more than 2m will have self-embedded nonterminals.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introduction To Computer Theory

ISBN: 9780471137726

2nd Edition

Authors: Daniel I. A. Cohen

See More Books

Question Posted: Sep 05, 2022 02:32 AM

See More Questions

Let us define a relaxed red-black tree as a binary search tree that satisfies red- black properties 1, 3, 4, and 5. In other words, the root may be either red or black. Consider a relaxed red-black...
Consider the bank database of Figure 5.21. Let us define a view branch cust as follows: Figure 5.21 Suppose that the view is materialized; that is, the view is computed and stored. Write triggers to...
Let v, w be n Ã 1 column vectors. (a) Prove that in most cases the inverse of the /; x n matrix A = I - vwT has the form A-1 = I- cvwT for some scalar c. Find all v, w for which such a result...
02. The competitive exclusion principle only applies when the niches of competing species have a high degree of overlap. O True False 54bmit Q3. Four snake species colonize an island at the same...
The following are four laws of supply and demand. Fill in the blanks. Demonstrate each Jaw with a supply-and demand diagram. a. An increase in demand generally raises price and raises quantity...
The following is the adjusted trial balance of Inland Home Health, Inc., for December 31, 2018. Requirement Journalize the closing entries at December 31, 2018. Inland Home Health, Inc. Adjusted...
Determine the displacement at point $C$ of the W14 $\times 26$ beam made from A992 steel. 8 kip A -5 ft 5 ft. B C -5 ft 5 ft- 8 kip D
Rebecca and Walter Bunge have been married for 5 years. They live at 883 Scrub Brush Street, Apt. 52B, Las Vegas, NV 89125. Rebecca is a homemaker and Walt is a high school teacher. Rebeccas Social...
Discuss how data deduplication works in backup systems and its impact on storage efficiency. What are some potential drawbacks of deduplication, and how might they be mitigated ?
The following transactions pertain to Smith Training Company for Year 1: Jan. 30 Established the business when it acquired $45,000 cash from the issue of common stock. Feb. 1 Paid rent for office...
Why does the pumping lemma argument not show that the language PALINDROME is not context-free? Show how v and y can be found such that uv n xy n z are all also in PALINDROME no matter what the word w...
Find CFGs for these languages: (i) All words of the form (ii) All words of the form (iii) All words of the form (iv) All words of the form (v) What happens if we throw away the restrictions y > x and...
In order to experimentally determine the moment of inertia I G of a 4-kg connecting rod, the rod is suspended horizontally at A by a cord and at B by a bearing and piezoelectric sensor, an instrument...
Universal Foods issued 1 2 % bonds, dated January 1 , with a face amount of $ 1 7 0 million on January 1 , 2 0 2 1 to Wang Communications. The bonds mature on December 3 1 , 2 0 3 8 ( 1 5 years ) ....
If a petty cash fund is established in the amount of $250, and contains $151 in cash and $95 in receipts for disbursements when it is replenished, the journal entry to record replenishment should...
Bill Mason is considering two job offers. Job 1 pays a salary of $ 3 8 , 4 0 0 with $ 4 , 9 7 0 of nontaxable employee benefits. Job 2 pays a salary of $ 3 5 , 2 0 0 and $ 6 , 8 2 5 of nontaxable...
Consolidated Balance Sheet Working Paper, Bargain Purchase On January 1 , 2 0 2 2 , Paxon Corporation acquired all of the outstanding common stock of Saxon Company for $ 2 billion cash. The balance...
Chance Company had two operating divisions, one manufacturing farm equipment and the other office supplies. Both divisions are considered separate components as defined by generally accepted...
The pulse of the figure travels to the right on a string whose ends at x = 0 and x = 4.0 m are both fixed in place. Imagine a reflected pulse that begins to move onto the string at an endpoint at the...
TRUE OR FALSE: 1. Banks with a significantly large share of fixed-interest rate home loans are less exposed to interest rate risks. 2. Although Australian banks are pretty big, they are not...
Find the total number of channels in the corresponding band allocated by FCC. a. AM b. FM
Find the bandwidth for the following situations if we need to modulate a 5-KHz voice. a. AM b. FM ( = 5) c. PM ( = 1)
A cable company uses one of the cable TV channels (with a bandwidth of 6 MHz) to provide digital communication for each resident. What is the available data rate for each resident if the company uses...
The following financial statements are for Microsoft, Inc. FY2023 and FY2022. Calculate the cash flows from operations as it would appear on the FY2023 statement of cash flows. (Hint: include all...
Simplify the expression.
A 25-year loan of 175,000 is negotiated with the borrower agreeing to repay principal and interest at 7%. A level payment of 10,000 will apply during the first twelve years and a higher level payment...

Instead of the concept of live productions in CNF, let us define a live nonterminal to be

Question:

Step by Step Answer:

If a CFG in CNF has m live nonterminals then any word w ...View the full answer

Introduction To Computer Theory

Students also viewed these Computer science questions