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Recent questions tagged derivation-tree
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1
Peter Linz Edition 4 Derivation Trees Definition 5.3 (Page No. 130)
Which of the following is false for derivation tree of CFG- $G (V, T, P, S)$ ? The root is labeled $S$. Every leaf has a label from $V ⋃ T ⋃ \{ λ \}$. A vertex with a child labeled $λ$ can only have it as the rightmost child. $\text{1 & 3}$ $\text{1 & 2}$ $\text{2 & 3}$ $\text{Only 2}$
tarun_svbk
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Theory of Computation
Feb 24, 2018
by
tarun_svbk
745
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theory-of-computation
peter-linz
peter-linz-edition4
context-free-grammar
derivation-tree
1
vote
0
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2
CNF and GNF
Given answer is (a) but L->AB i think it is wrong because A and B produce something else Previously, so instead of L->AB there would have given like L->MN M->c1 and N->S then it was correct . if I am wrong please correct me.
learner_geek
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Compiler Design
Aug 5, 2017
by
learner_geek
1.5k
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theory-of-computation
context-free-language
discrete-mathematics
derivation-tree
conjunctive-normal-form
1
vote
0
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3
CNF and GNF
Is it mandatory in GNF that first element in production must be terminal(I am considering there is no Left recursion) Is it mandatory in CNF that in production only two nonterminal or terminal should be there Can we not take in one production as two nonterminal and one terminal OR one terminal and two nonterminal
learner_geek
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Theory of Computation
Aug 5, 2017
by
learner_geek
4.7k
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theory-of-computation
derivation-tree
context-free-language
conjunctive-normal-form
2
votes
2
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4
[TOC] CNF Tree Depth
1. Assume that we have CNF tree of depth of h(Assume root at height 0).What is the maximum yeild possible in terms of h? 2. Assume that we have a string of length n,what is the min and max height of parse tree possible in CNF. Please explain
rahul sharma 5
asked
in
Theory of Computation
Jan 12, 2017
by
rahul sharma 5
2.3k
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theory-of-computation
context-free-language
conjunctive-normal-form
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