What is a logical “long arrow”?

What is a logical “long arrow”?

By Discovery Lean Six Sigma

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What is a logical “long arrow”?

In Logical Thinking Process (LTP) parlance a long arrow is a “leap of logic” or the omission of one or several cause-and-effect steps that connect a cause to an effect.

In the Logical Thinking Process, a cause is linked to its effect by an arrow. The arrow’s tail is connected to the cause and the tip points to the effect. Hence the reference to the arrow.

In the picture, the cause is at the bottom and the effect is on the top.

Ellipses are logical “AND” connectors. Arrows going through an ellipse read “if…. AND if… then…”

Some may refer to the AND connectors as “bananas” but I would not encourage this.

The “long arrow” skips several “if…then…” or cause-and-effect relationships, also considered as logical steps.

Leaps of logic are to be avoided for the sake of logical soundness. Long arrows are likely to confuse an audience as the listeners or readers cannot naturally link the things together.

True listeners may have difficulties to follow the speaker’s logic or readers might get confused, lost or perplexed while reading a text.

Many people speak or write long arrows because the sequence of causes-and-effects is clear in their mind. They don’t pay enough attention how their thinking can be received by someone not knowing about the subject, the unspoken assumptions or the implicit and skipped relationships.

The more logical steps or cause-and-effect links skipped between a specific cause and an certain effect and the longer the arrow.

In the scrutinization process of logic trees, long arrows are generally considered as “mistakes” or at least “logical improvement points”. Long arrows are not officially considered as Categories of Legitimate Reservations (CLR), but could in fact. Long arrows should be broken into more detailed steps in order to get the faulty tree more sound and robust from the Logical Thinking Process point of view.

About the author, Chris HOHMANN

About the author, Chris HOHMANN

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Original: https://hohmannchris.wordpress.com/2018/05/16/what-is-a-logical-long-arrow/
By: Chris Hohmann
Posted: May 16, 2018, 3:28 pm

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