Career Resources

What Is Logical Thinking? How Organizing Your Thoughts Can Change the Way You See the World

#Knowledge of the consulting industry
紙の資料を見て分析する様子

Have you ever experienced the frustration of “my message isn’t getting through” or “we can’t come to an agreement” in daily life or at work? Behind this frustration, a lack of information organization or logical structure is often hidden. The concept attracting attention for this is logical thinking.

Logical thinking is a way of thinking that involves thinking through complex situations and problems in a reasoned manner and communicating them in an easy-to-understand way to others. The ability to clarify discussion points, organize information, and lead to a conclusion is required not only in business but in all kinds of situations.

This article systematically introduces everything from the basics to applications and practical methods of logical thinking.

【関連記事】大手コンサルティング会社一覧未経験からコンサルタントに転職する方法第二新卒でコンサルタントに転職する方法コンサルタントの種類一覧コンサルタントの仕事内容ITコンサルタント求人の一覧未経験OKのコンサル求人一覧リモート可のコンサル求人一覧

TOC

What Is Logical Thinking?

Men and women discussing by an office window

Logical thinking refers to a way of thinking that organizes information by thinking through things in a sequential manner and derives persuasive arguments.

A characteristic is that it relies not on intuition or emotion but on making judgments based on facts and causal relationships. It has also become an indispensable skill for seeing through to the essence of problems and engaging in reproducible thinking.

Logical thinking can sometimes give the impression of being “overly reasoned” or “too logical,” but it is fundamentally intended to align understanding between people and facilitate smooth mutual communication.

Contrary to a cold impression, the fact that consideration for the other party is the premise can also be said to be the essence of logical thinking.

\ 転職エージェントがご相談に乗ります /

4 Representative Methods of Logical Thinking

A discussion where notes are being taken on sticky notes

In this chapter, we take up the four representative methods of logical thinking. By understanding the characteristics and appropriate use of each, both thinking ability and persuasiveness can be improved. Please read with the awareness of connecting from basics to practice.

1. “MECE” — A Way of Thinking for Organizing Information

MECE (Mutually Exclusive, Collectively Exhaustive) is the principle of information organization of “no omissions and no overlaps.” For example, when classifying employees by department, using “Sales,” “Development,” and “General Affairs” is MECE, but if there are overlaps such as “Sales” and “Salespeople,” the logical foundation crumbles.

MECE is effective in situations of breaking down problems and organizing options. Simply being conscious of MECE clearly organizes discussion points and makes what needs to be examined clear. It can be said to be an essential thinking stance, especially in the preparation stage for meetings and presentations.

2. “Pyramid Structure” — Structuring Conclusions and Grounds to Enhance Persuasiveness

The pyramid structure is a structural way of thinking that places the conclusion at the top and arranges reasons and grounds below it.

In situations where one is asked “so what are you trying to say?”, the conclusion being pushed to the end is in most cases the cause. Using this method, the key point can be conveyed first, capturing the other party’s interest.

For example, if there is an argument to “continue recommending remote work,” first present that conclusion, then supplement step by step with grounds such as “improvement in productivity,” “reduction of commuting stress,” and “decrease in turnover rate.” As logic stacks up vertically, consistency is created in the narrative and the listener’s degree of conviction increases.

The pyramid structure can also be applied to document composition. For business documents, reports, and proposals — whenever you want to convey your intent to the reader without ambiguity — keep this structure in mind at all times.

3. “Logic Tree” — Breaking Down Problems and Making Solutions Concrete

A logic tree is a method of drilling down to the essence by organizing problems like branching. There are two systems: the “Why Tree,” which develops by asking “Why?” about the challenge at the trunk, and the “How Tree,” which expands by asking “How?” Use a logic tree to grasp problems through structure rather than intuition.

For example, for the challenge of “sales are sluggish,” multiple causes such as “decrease in new customers,” “loss of existing customers,” and “decrease in unit price” are identified. Beyond that, if the question of “why are customers leaving?” is further drilled down, specific improvement threads come into view.

The merit of a logic tree is that “the overall picture can be seen at a glance.” When sharing with a team, since discussion points can be visually grasped, discussion doesn’t spin its wheels and can concentrate on essential topics.

4. “Frameworks” — Utilizing Thinking Patterns to Analyze Efficiently

A framework is a “pattern” that systematizes perspectives for analysis.

For example, by using frameworks such as 3C analysis and 4P analysis, it is possible to advance examination while organizing things.

By using frameworks, thinking can be advanced while confirming whether one’s own perspective is not biased. Since discussion points are easily clarified, it serves not only to deepen ideas but also as a means to close perception gaps with the other party.

However, frameworks are just tools. If one becomes too attached to the pattern, a gap with reality may emerge, so it is necessary to use them flexibly according to the situation. Learning patterns and honing the judgment to use them appropriately can be said to be two sides of the same skill.

【募集中のコンサルタント求人】

The article was not found.

This Is How to Use Logical Thinking! 4 Scenes Where It Comes Alive in Practice

Logical thinking is not limited to the realm of “ways of thinking” — it truly demonstrates its value in actual field situations. Particularly in business settings, it can be utilized as a weapon for accurately grasping situations and convincing others.

Here, we introduce the specific scenes where logical thinking is useful.

1. When Decomposing Complex Problems to Pinpoint Causes

A woman in a suit during a business negotiation

When work is stalling or a project isn’t progressing as hoped, many people move based on a sense of “it’s probably something like this.” However, the more complex a problem becomes, the more there are cases where intuition-based approaches can no longer solve it. Effective here is problem decomposition through logical thinking.

For example, if there is a problem of “customer acquisition is decreasing,” dividing it and analyzing it from perspectives such as “decline in advertising effectiveness,” “lack of awareness,” and “comparison with competitors,” and then drilling down further, specific improvement threads come into view.

In this way, if the process up to identifying causes is made clear by utilizing logical thinking, misalignment of recognition with those around is also less likely to occur. When taking on challenges as a team, since everyone can discuss using the same map, the speed to resolution increases dramatically.

2. When You Want to Convey Proposal Materials or Explanations in an Easy-to-Understand Way

An office worker conducting a business negotiation while showing paper documents

There are quite a few people who have experienced being told “I can’t understand what you’re trying to say” despite having something they want to convey. By having the perspective of logical thinking, you can organize the structure of information and convey things persuasively.

Specifically, using the pyramid structure, explanations are constructed in the order of “conclusion → reasons → supplementary information.”

For example, for a proposal of “a new system should be introduced,” first state the argument, then list reasons such as “improvement in work efficiency,” “cost reduction,” and “improvement in operability.” Constructing the narrative in this step-by-step manner makes it easier for the other party to be convinced.

Even in creating materials, simply placing the conclusion first and then arranging reasons and grounds dramatically improves the overall readability. Since the ability to communicate is directly connected to logical structure, logical thinking is a way of thinking that has a major influence on “how to speak” and “how to write” as well.

3. When You Want to Calmly Handle Unexpected Trouble

A man in casual clothes operating a computer

When faced with an emergency, people tend to make wrong judgments from anxiety. It is precisely in such times that the basic attitude of logical thinking — “thinking based on facts” — comes alive. Correctly recognizing the situation and acting without being swayed by emotion is the key to minimizing damage.

For example, when trouble occurs, it is necessary to calmly organize the scope of impact, causes, stakeholders, and so on, and prioritize. By using logic trees and frameworks here, rather than being caught up in only the phenomenon before you, the next move can be made while viewing the whole from a bird’s-eye view.

In addition, even in situations where swift decision-making is required, being able to choose actions with grounds makes it easier to earn the trust of those around. Many of those thought of as “calm and reliable” are unconsciously utilizing this way of thinking.

4. When You Feel the Team’s Discussion Is Not Connecting

Men and women discussing in an open office space

Opinions getting tangled in meetings or discussions not moving forward is largely because discussion points are not organized. When you feel “I understand the content but something seems off,” use logical thinking to organize the information.

For example, simply classifying opinions using MECE advances the organization of the discussion.

In addition, by confirming the purpose and preconditions at the beginning of the discussion and building the conversation using a pyramid structure, understanding among all participants is more easily aligned and meeting productivity also rises dramatically.

\ 転職エージェントがご相談に乗ります /

Thinking Ability Can Be Trained! 3 Methods for Training Logical Thinking

An image of data analysis

Logical thinking is not an ability innately possessed. It can be improved by anyone through daily accumulation. Without special training equipment or teaching materials, it is possible to change how the brain is used with just a little awareness.

Here, we introduce three simple yet effective training methods for cultivating the muscle of thinking. Since all of them can be started today, please try incorporating them into your life.

1. Keep Asking “Why?”

Getting into the habit of asking “why does this happen?” about everyday events and habits is the first step in improving logical thinking ability.

For example, even for seemingly simple facts such as “the train was crowded” or “the product isn’t selling,” just thinking about the reasons causes the brain to begin training in logical development.

What is important here is not thinking based on “a gut feeling” but thinking about causal relationships based on facts. Each time a reason is drilled down one level, the path of thinking thickens, and eventually you become able to naturally face even complex problems. The habit of repeatedly asking “why? why?” is simple but an extremely powerful form of training.

In addition, once the habit of thinking “why?” is acquired, the “resolution of questions” unconsciously increases even in meetings and discussions. What needs to be thought about becomes clear and the target of conversation can be narrowed down, so the overall quality of work also improves.

2. Try Summarizing Information in Your Own Words

Rather than just letting input flow past, being conscious of “rephrasing in your own words” makes the structure of information more easily retained in the mind. For example, getting into the habit of summarizing in about 3 lines after reading a newspaper article or business book polishes the ability to organize logic.

In this training, it is important to be conscious of “what is ultimately being said?” and “in what structure is the story progressing?” Summarizing while applying the concepts of pyramid structure and MECE makes for training with even higher reproducibility.

As you become accustomed to it, “thinking that grasps structure” naturally begins to work in your head. Since the speed of presentation preparation and material creation also increases, it is a method with a very high return effect on practical work.

3. Notice Logical Habits by Talking to Others

Talking with people is an excellent opportunity to notice one’s own thinking habits and gaps. When an explanation you thought was coherent doesn’t get through to the other person, the habit of reflecting on “where was it lacking?” and “wasn’t the discussion point off?” trains thinking.

In addition, while listening to others’ opinions, mentally analyzing “why does this person think that way?” is also training that improves logical ability. By being conscious of the relationship between arguments and grounds, and differences in preconditions, try to build flexibility and objectivity into your own thinking.

【募集中のコンサルタント求人】

The article was not found.

Points of Caution for Logical Thinking

Logical thinking is a very useful skill, but it is not omnipotent. By pursuing only logical consistency, there are also situations where distance with the other party is created instead. At times, there is even the possibility of being avoided as “too logical a person.”

Here, we introduce the points to be careful about when using logical thinking skillfully. To use logic as a weapon, balance with the ability to read emotions and the atmosphere of the situation is indispensable.

1. The Reason Logical Does Not Necessarily Equal Correct

Someone analyzing while looking at paper documents and a tablet

Even if a logical explanation holds together, that does not always mean it is “correct.” Logic is ultimately just a “path” based on preconditions and causal relationships. If the premise is off, the conclusion also becomes mistaken.

If judgment is made based only on the skill of logical development, one can be misled by surface-level conviction and overlook the essence. The habit of calmly reviewing the structure supports the precision of logic.

2. Cutting Emotions Out Excessively Causes Loss of Empathy

A woman in a suit speaking while holding a ballpoint pen

If one becomes too conscious of speaking logically, emotion and humanity can drop away. For example, even if told “numerically, this is correct,” the other party does not necessarily become convinced.

To give another example, rather than logically conveying to a subordinate regarding a mistake “improvement in the business flow is necessary,” adding the empathetic words “you were struggling with this part, weren’t you?” makes it easier for the other party to accept the observation.

Rather than using logical thinking as “a weapon to convince the other party,” having the awareness to use it as “a tool to aid understanding” is indispensable for building trust relationships.

3. Imposing Correctness Can Also Backfire

A man giving a presentation in a conference room

Even when one believes they are explaining logically, there are cases where it is felt by the other party as “being imposed upon.”

In dialogue with someone in a hierarchical relationship, or in dialogue with an emotional background, “how it will be received” carries great meaning beyond “whether it is logically correct.”

Asserting correctness and obtaining conviction, while similar, are completely different things. Make efforts to tailor the wording and order according to the other party’s reactions and the situation.

The power of logic harbors the danger of creating misunderstandings and friction if used incorrectly.

4. Situations Where It Doesn’t Get Through Due to the Atmosphere or the Other Party

A woman sitting in an open office space

No matter how coherently one speaks, there are cases where logic doesn’t get through depending on “the atmosphere of the situation” or “how the listener receives it.” Particularly in emotional situations or tense scenes, calm explanations can also have the opposite effect.

For example, when a team is unsettled due to trouble, calmly saying “let’s first organize the cause” may be misunderstood as “they seem detached from this.” Even if it is an accurate response, logic won’t reach the other party without consideration for their emotional state.

“When and how to use it” is very important for logical thinking. Using it not just to push through correct arguments but while reading the emotions and atmosphere of the other party can be said to be the truly trusted way of using logical thinking.

Which Industries Have Many Logical People? What Are Jobs Where Logical Thinking Can Be Applied?

Logical thinking is useful in all kinds of business situations, but in particular industries and job types where “logical thinking” is required, its importance rises dramatically.

Here, we take up three industries and job types where logical thinking is particularly valued and specifically introduce how it is applied in each field.

1. Consultants

A woman speaking while operating a laptop with one hand

Consultants play the role of forming hypotheses in a short time and presenting solutions in response to client challenges. For this reason, the ability to quickly organize information and logically explain the path to a conclusion is indispensable. Without logical construction ability, even convincing a client becomes difficult.

In addition, since the themes handled differ by project, logical thinking is required as a “thinking pattern” that works in any industry. People who can freely use the basics such as MECE and pyramid structure are valued by any firm.

2. Marketers

A man opening a laptop at a café

The work of the marketing department is to grasp the needs of targets and design measures that lead to results. Since intuitive ideas alone are unlikely to succeed, logical thinking is required within the cycle of repeatedly forming hypotheses and verifying them.

For example, it is insufficient to simply say “this advertisement has a high effect.” It is necessary to clearly show “why is it high?” and “which variables are contributing?” Logical decomposition and analysis are indispensable for reading data and grasping the structure behind phenomena.

In the digital domain in particular, logic-based measure evaluation such as A/B testing and funnel analysis is conducted on a daily basis. Since logical marketers can articulate strategy in numbers and structure, trust both internally and externally also increases.

3. Engineers

A man doing programming with a laptop connected to a monitor

Logical thinking is also closely linked to the work of engineers. When finding bugs lurking in code or designing the structure of an entire system, the ability to break down and analyze problems step by step is often required.

In addition, when conducting code reviews as a team, if the design philosophy and reasons for changes cannot be explained logically, conviction cannot be obtained. Engineers with logical thinking can achieve excellent results not only in development but also in communication.

募集中のコンサルタント求人

The article was not found.

Summary

Logical thinking is not a special skill possessed only by a limited few. The ability to organize information and think in a reasoned manner can be acquired by anyone through training and habits. Even if it seems difficult at first, definite change can be felt through small accumulations.

In practice, in everyday life, try asking yourself “why does this happen?” and “why do I think that?” By repeatedly performing such logical thinking, the ability to put one’s own thoughts into words is also nurtured. What is important is not to aim for perfection but to be conscious of the paths of one’s thinking.

The ability to think logically becomes a support in various situations — when facing complex problems head-on, when wanting to make communication with those around you smoother. And that ability can certainly be trained starting today. It is not special talent but rather the daily choice of thinking that shapes your logical thinking.

  • SHARE
  • Facebookでシェア
  • Xでポスト
  • LinkedInでシェア

Back to Career Resources