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Category > English Posted 27 Apr 2017 My Price 3.00

What is a derivation in the context of grammar?

1. What is a derivation in the context of grammar?

2. What is an ambiguous grammar?

3. What is a left-recursive grammar?

4. Explain the use of metasymbols in EBNFs.

 

 

Answers

Alpha Geek
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Status NEW Posted 27 Apr 2017 02:04 PM My Price 3.00

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file 1493304270-Answer.docx preview (82 words )
1-----------. W-----------hat----------- is----------- a -----------der-----------iva-----------tio-----------n i-----------n t-----------he -----------con-----------tex-----------t o-----------f g-----------ram-----------mar-----------? -----------2. -----------Wha-----------t i-----------s a-----------n a-----------mbi-----------guo-----------us -----------gra-----------mma-----------r? ----------- 3.----------- Wh-----------at -----------is -----------a l-----------eft------------re-----------cur-----------siv-----------e g-----------ram-----------mar-----------? -----------4. -----------Exp-----------lai-----------n t-----------he -----------use----------- of----------- me-----------tas-----------ymb-----------ols----------- in----------- EB-----------NFs-----------. -----------Ans-----------wer----------- 1-----------. ----------- a -----------der-----------iva-----------tio-----------n a-----------n o-----------rde-----------red----------- ro-----------ote-----------d t-----------ree----------- th-----------at -----------gra-----------phi-----------cal-----------ly -----------rep-----------res-----------ent-----------s t-----------he -----------sem-----------ant-----------ic -----------inf-----------orm-----------ati-----------on -----------a s-----------tri-----------ng -----------der-----------ive-----------d f-----------rom----------- a -----------con-----------tex-----------t ------------fre-----------e ------------gra-----------mma-----------r s-----------?a1-----------,a2-------------------------an -----------der-----------iva-----------ion----------- tr-----------ee -----------as -----------fol-----------low-----------s s----------- a1----------- a2----------- an----------- 2.----------- -----------amb-----------igo-----------us -----------gra-----------mma-----------r i-----------s a----------- co-----------nte-----------xt ------------fr-----------ee -----------gra-----------mma-----------r f-----------or -----------whi-----------ch -----------the-----------re
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