# Which rule does your derivation use on lines 9, 10, 15, 18, 22, 26, 30, and 33? (Hint: you should have used the same rule on each of these steps.) (20 points)

29 / 01 / 2019 Course Titles

This paper circulates around the core theme of Which rule does your derivation use on lines 9, 10, 15, 18, 22, 26, 30, and 33? (Hint: you should have used the same rule on each of these steps.) (20 points) together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 79. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.

(b) Explain how to derive one sentence from another sentence using this rule. What kind of sentence must be on the line that you cite when you use this rule? What kind of output sentence is produced? How does the input sentence look like the output sentence, and in what ways does the input sentence differ from the output sentence?(c) Will this rule allow you to derive a false sentence from a true sentence? Explain why or why not.3. Answer the following questions about the derivation you just completed (20 points):
(a) Which rule does your derivation use on line 40, and which line number do you cite on this line? (b) Explain how to derive one sentence from another sentence using this rule. What kind of sentence must be on the line that you cite when you use this rule? What kind of output sentence is produced? How does the input sentence look like the output sentence, and in what ways does the input sentence differ from the output sentence?(c) What special conditions does this rule come with? Are these conditions satisfied for the case in which you use this rule on line 40? Explain why or why not.(d) Would this rule allow you to derive a false sentence from a true sentence when the special conditions are not satisfied? Would this rule allow you to derive a false sentence from a true sentence when the special conditions are satisfied? Explain why or why not for both cases.4. Answer the following questions about the derivation you just completed (20 points):
(a) Which rule does your derivation use on line 41, and which line number do you cite on this line? (b) Explain how to derive one sentence from another sentence using this rule. What kind of sentence must be on the line that you cite when you use this rule? What kind of output sentence is produced? How does the input sentence look like the output sentence, and in what ways does the input sentence differ from the output sentence?(c) Will this rule allow you to derive a false sentence from a true sentence? Explain why or why not.5. Answer the following questions about the derivation you just completed (20 points):
(a) Which rule does your derivation use on line 42, and which individual line and which subderivation do you cite on line 42?(b) Explain how to use this rule. What kind of sentence must be on the individual line that you cite when you use this rule? What sentence must be the assumption of the subderivation that you cite when you use this rule? What sentence or sentences must appear inside the subderivation that you cite when you use this rule? Finally, what sentence does this rule allow you to derive? (c) What special conditions does this rule come with? Are these conditions satisfied for the case in which you use this rule on line 42? Explain why or why not.
(d) Why does this rule come with these special conditions? In other words, why would this rule be a bad rule without these conditions?

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