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Kellan October 14, 2018

Diagramming E

I diagrammed E as: 1st sentence: SP - some - P 2nd (since): S - P 3rd (All): S - SP Why wouldn't you diagram the first part of the sentence until the comma, like I did "Some short poems are..."? SP - some P Why is "All sonnets are short..." the first premise? Where am I getting mixed up? When I was diagramming the answers I automatically cancelled A&B. I diagrammed C and saw where that was wrong, but could possibly be the answer. But am really confused on diagramming answer choice E. Thank you for the help.

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Mehran October 18, 2018

@Kellan as shown in the video explanation, (E) would be diagrammed as follows:

Premise: " . . . since some Sonnets are characterized by such pluralism, . . . "

S-some-TP
TP-some-S

Premise: " . . . and all sonnets are short poems."

S ==> SP
not SP ==> not S

Conclusion: "Some short poems are thematically pluralistic, . . . "

SP-some-TP
TP-some-SP

This is a valid conclusion as follows:

TP-some-S ==> SP

TP-some-SP
SP-some-TP

Remember, the order is irrelevant to the logical structure of the argument.

Hope that helps! Please let us know if you have any questions.