Chapter 2 Flashcards — The Substructures Within The Pyramid
flashcards tpp pyramid-principle substructures vertical-relationship horizontal-relationship scqa deductive inductive
What are the three substructures within the pyramid that help a writer discover and arrange ideas?
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- The vertical relationship between points and subpoints (the question/answer dialogue)
- The horizontal relationship within a set of subpoints (deductive or inductive logic)
- The narrative flow of the introduction (Situation, Complication, Question, Answer)
How does the vertical relationship work, and why does it hold reader attention?
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Every statement a writer makes that tells the reader something new will automatically raise a logical question in the reader’s mind (Why? How? What do you mean?). The writer is obligated to answer that question on the line below. The answers on that line then raise further questions, answered on the next line below, and so on. This question/answer dialogue holds the reader’s attention because their mind is actively engaged — they are always awaiting the answer to the most recent question raised.
What is the practical obligation on the writer that follows from the vertical relationship?
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The writer must:
- Not raise a question in the reader’s mind before being ready to answer it (i.e., do not present a section captioned “Our Assumptions” before giving the major points — the reader cannot yet have raised that question).
- Not answer a question before having raised it (do not give supporting detail before the point it supports).
- Continue the question/answer dialogue until the reader has no more logical questions, then move to the next Key Line leg.
What does the Chesterton pig pyramid example illustrate about the vertical relationship?
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It shows how a clear vertical question/answer structure makes an argument fully comprehensible — even if the reader disagrees with the argument. Chesterton’s claim “Pigs should be kept as pets” unfolds through a tree of Why?/How?/In what way? questions fully answered at each level (beautiful → marvelously fat, typically English → linked to the land, etc.). The reader can see exactly why Chesterton says what he says and identify precisely where to disagree — which is the test of a clear vertical structure.
What are the only two types of logical relationship possible in a horizontal grouping?
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- Deductive — presents an argument in successive steps (premise → comment on premise → conclusion)
- Inductive — presents a set of ideas that are all the same kind of thing, from which an inference is drawn about what they collectively mean
A single grouping must use one or the other, never both at once.
What is the structure of a deductive argument, and how do you summarize it?
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Structure:
- First idea: a statement about a situation that exists in the world today
- Second idea: a comment on the subject or predicate of the first statement
- Third idea: the implication (“therefore”) of those two situations existing simultaneously
Classic example: “Men are mortal. Socrates is a man. Therefore Socrates is mortal.”
To summarize upward: the summary rests heavily on the final (conclusion) point — “Because Socrates is a man, he is mortal.”
What is the structure of an inductive argument, and how do you summarize it?
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Structure: a set of ideas that are related simply by the fact that they can all be described by the same plural noun (reasons, steps, problems, etc.).
Classic example:
- French tanks are at the Polish border.
- German tanks are at the Polish border.
- Russian tanks are at the Polish border.
To summarize upward: draw an inference about what the items collectively mean — “Poland is about to be invaded by tanks.” (Not just “Tanks are at Poland’s borders,” which is merely a description.)
What is the SCQA pattern, and what is the purpose of each element?
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| Element | Purpose |
|---|---|
| Situation | A noncontroversial statement the reader accepts as fact — establishes the context (time and place) |
| Complication | Something that went wrong or a problem that arose within the Situation — triggers the need for the document |
| Question | The logical question the Complication raises in the reader’s mind (e.g., “What should we do?”) |
| Answer | The document’s top-level point — the direct answer to the Question; the pyramid’s apex |
The pattern ensures writer and reader are “standing in the same place” before new information begins.
What distinguishes the weak and strong versions of a business introduction, as shown in the board memorandum example?
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- Weak version: Lists five topics the memo will discuss (composition of Board, roles of Board vs. Executive Committee, etc.) — communicates a table of contents but gives no message and no reason to read.
- Strong version (SCQA): States that the new organization freed the Board for strategic work (Situation), but the Board’s long habit of dealing with short-term operations means it cannot yet focus on strategy (Complication), therefore it must consider changes (Question), which are: relinquish operating matters, broaden membership to outside directors, formalize internal procedures (Answer/Key Line).
The strong version is easier to comprehend because it tells a story and ends with the message.
What is an “idea” as Minto defines it, and why does this definition matter for the vertical relationship?
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An idea is a statement that raises a question in the reader’s mind because it tells them something they do not know. Since people do not generally read to find out what they already know, the primary purpose of any communication is to tell people what they do not know. This means every statement in the body of a document should present genuinely new thinking — which automatically raises a question, which the next level down must answer.
How do the three substructures work together to help a writer discover the ideas they need?
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- Vertical relationship: Tells you the kind of message the ideas grouped below must convey — they must answer the specific question raised by the point above.
- Horizontal relationship: Tells you whether the ideas you have are logically valid together (do they form a proper inductive or deductive argument?).
- Introductory flow: Identifies the beginning question to which the entire document is the answer, ensuring all ideas in the pyramid are relevant.
Together, they act as a discovery and validation system: each substructure constrains and reveals the others.
Why is inductive reasoning generally preferred over deductive at the Key Line level?
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Inductive reasoning is easier for the reader to absorb than deductive reasoning because it requires less mental effort to comprehend. In a deductive chain, the reader must hold the premise and the comment on the premise in mind simultaneously before reaching the conclusion — cognitive load that can be eliminated by presenting the conclusion inductively as a summary of parallel supporting ideas.