Pyramid Thinking recognises two forms of logic (Inductive & Deductive) that can be utilised within a Key Line. What is the difference between the two forms and what factors influence the decision to adopt one form or the other?
Peter Franklin
Jun 28, 2017
Discussion
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The inductive form of logic is more general in the sense it can be used to answer the questions why, how, what, or which. You make a statement and then give a number of reasons or actions that answer the question. It is relatively easy to use since you can brainstorm the reasons or actions.
So an example would be:
You should subscribe to the Compelling Propositions website.
because:
1. You can be updated whenever new thinking is published
2. You can be alerted to new book reviews when posted
3. You can communicate with the team through the forum and get your questions answered
The deductive form is only used to answer the question Why. It is of the form "Because.....and.....therefore" and is really powerful since if you believe the "because" fact, and the "and" fact then the conclusion following the "therefore" necessarily follows. The conclusion is inescapable. This is what makes the deductive form so powerful. So an example would be:
Because compelling propositions are experts in the field of Pyramid Thinking
and Pyramid Thinking increases bid win rates
Therefore any organisation that wants to increase win rates should talk to Compelling Propositions about Pyramid Thinking
If your question is a "Why" and you can see a deductive argument then use it since it is more powerful than the inductive form. If your question is not a "Why" or you cannot see the deductive argument then go for the inductive form.
Finally, if you are working in a group to craft a proposition then brainstorm and discuss the inductive form first - it is much easier. If later on you can turn the logic into the deductive form well and good.