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The Philosophical Approach to Inquiry

Author: Sophia
what's covered
In this tutorial, we will begin with a reminder of the nature of philosophy, then move on to a four-step account of philosophical inquiry. We will also look at how philosophy relates to science and consider some of the issues around justifying our beliefs. Our discussion will break down like this:

Table of Contents

1. Philosophy as the Pursuit of Truth

recall
Philosophy is the pursuit of truth.

This means philosophy is not just the collection of information. Rather, it places the highest importance on how we go about discovering whether or not something is true. Here are some of the ways in which philosophy typically attempts to secure the truth:

  • Using reasoning and logical arguments
  • Maintaining consistency between our actions and beliefs
  • Consistently applying our standards of judgment or evaluation
  • Guarding against the biasing influence of our passions
Pursuing truth distinguishes philosophy from other disciplines (such as science), especially the type of truths being pursued. Philosophy helps us understand things that we cannot know just by looking at the physical world.

EXAMPLE

You are reading or listening to this tutorial. A scientist could explain the way your body (that is, your eyes and ears) enables you to do this. But philosophy will approach this in a different way by asking, “What are your reasons for doing this?” In other words, philosophy will ask for the ideals or goals that motivate your actions (like self-improvement or pursuit of knowledge).

Thinking about the reasons we have for doing things, and questioning whether or not we think they are good reasons, requires us to go beyond mere observation and instead use arguments and critical thinking.


2. Philosophy and Science

Philosophy does things that science cannot, but can also improve the sciences. One of the main ways philosophy does this is by revealing the beliefs or assumptions that influence scientific activity.

EXAMPLE

A scientist may try to solve food shortage by developing ways for crops to have higher yields (like genetic engineering). A philosopher may reflect on the nature of the problem and show that it is not more food that is needed but a better distribution of the food we already have, thus pointing the way for scientists to find solutions to food distribution.

Scientists are very good at finding solutions to problems but do not always place the same amount of energy into thinking about whether the problem itself is properly posed. Philosophy can make us aware of the nature of the problems or goals we are responding to. Another way philosophy can help science is by drawing attention to the way that scientists’ observations may be influenced by their expectations.

EXAMPLE

You know that when steel is exposed to oxygen, it will rust and turn brown over time. If you do not know what color copper turns, you might expect to see brown. And you might think you see it turn brown even though it actually turns green.

You might think, “I would never make that mistake.” And maybe you would not in this example. But you never know when your expectations might influence your perception of things.

did you know
In an experiment at Harvard University in 1949, two psychologists, Jerome Bruner and Leo Postman, found that people would often allow their expectations to influence their perception of things.
This is Bruner and Postman’s 1949 experiment: Participants were shown playing cards where the suit and the color did not match, for example, a three of hearts that was black. But they said they had seen a card where the suit and color matched, such as the three of spades. It was only after many attempts that they got it right and managed to work against their expectations.


3. Philosophy Within Science

Being aware that scientific results may be distorted in various ways leads many scientists to think philosophically about their practice.

EXAMPLE

If a scientist finds evidence that supports their view, they will rarely think that their job is done. Instead, they will repeatedly perform experiments in different ways to try to rule out any biasing factors.

As this example shows, a scientist’s job is not finished once they have made an observation. At the very least, they reflect upon the nature of the observation itself, which is a philosophical activity. On top of this, scientists will also need to think about how their results relate to other scientists’ findings.

did you know
For a long time, scientists believed light to be made of particles. But then some observed light behaving like a wave. How can we fit these together? You might think, “Surely, only one can be right.” Reflecting on this problem led Einstein to the conclusion that both descriptions of light are correct in their own way (which contributed to him being awarded the Nobel Prize in 1921).

There are other ways that reflection on science itself yields important scientific results. An important question for social science is whether it should follow the model of the natural sciences. Which way a scientist answers will determine the kind of investigation they do and the discoveries they make.

EXAMPLE

If a social scientist thought they should imitate the natural sciences, then they would try to find law-like regularities in the social world that are as rigid as the laws of nature (such as the law of gravity). If a social scientist thought they should not imitate the natural sciences, they would probably emphasize the element of unpredictability in human action.


4. Belief and Evidence

A lot of what we have been talking about revolves around the willingness to question ourselves. But this should not make us think that we should give up having beliefs altogether.

You can have a belief without being completely certain about it.

think about it
You check the weather report before going hiking. Say, the forecast is good and you pack your gear. Would you be completely certain that it won’t rain? Or would you be prepared to watch a movie just in case?

From experience, you know that the weather forecast is not always correct. So. you know that you cannot be completely sure of the weather based on this evidence. By making the strength of your belief dependent on the strength of the evidence on hand, your belief is a rational one. For your belief to be rational, you consider the evidence both for and against. You must weigh up all the available evidence and let that guide your belief. Remember, it is not enough to have an opinion in philosophy; you need to justify your claims.

EXAMPLE

When philosophers debate about whether abortion is morally permissible or not, they do not take everyone’s opinions on the matter seriously , only those who can give well-reasoned arguments in support of their view.


5. Account of Philosophical Inquiry

In this section, we will explore a four-step account of philosophical inquiry.

5a. Philosophical and Nonphilosophical Questions

We have been comparing and contrasting science and philosophy in various ways. We have seen that philosophical approaches, though distinct from nonphilosophical ones, can complement them.

Let’s look at some other nonphilosophical approaches to see how they relate to philosophical approaches. Consider the topic of human mortality or death, for instance, and see how each approach offers different types of questions.

  • Philosophical: What does our mortality mean to us? How does it affect our self-understanding?
  • Sociological: How do different societies deal with death? (like burial and rituals)
  • Scientific: What changes does organic life undergo when it dies?
  • Religious: Is there life after death?
In order to arrive at your own considered view about a philosophical issue, you first need to think about the topic under consideration and specify the precise question or problem you want to address. See the example in the illustration below.

Step 1: Specifying your question or problem. For example, say your topic is the morality of charity. After thinking about the topic, you must narrow it down to a specific issue, such as ‘Should we give to those in need?’

This provides the focus you need to pursue a productive philosophical inquiry.

5b. Identifying and Evaluating Philosophical Positions

Now, you can investigate what other people have already said about it. It is helpful to list many philosophers’ positions on this question before you decide which ones to tackle. See the examples in the illustration below.

Step 2: Identify positions on the question. The question is ‘Should we give to those in need?’ with four positions branching from this question. 1. No, but... 2. People should help themselves... 3. Yes. It is your duty to help those in need. 4. Only if it benefits everyone, overall.

5c. Strengths and Weaknesses of Philosophical Positions

You should then think critically about what has been said by others, weighing the strengths and weaknesses of their positions. Consider the example given in the illustration below.

Step 3: Evaluate positions. The main idea is ‘It is your duty to help those in need.’ Positions for the idea include ‘You would want help if you needed it’ and ‘If you are able, you should help others.’ Positions against the idea include: ‘Charity often fails to help’ and ‘It is too demanding.’

The type of support you give for or against a position can be of different kinds.

EXAMPLE

It may be that you cite research that shows charity often fails to help because of inefficient systems. Perhaps, you found some convincing arguments by various philosophers that state, “If you are able, you should help others.” And, maybe, you think the reason we should give to charity is that you find it intuitively plausible to think that you would want to be helped if you needed it.

5d. Advancing a Thesis

Finally, you need to take a position on the issue and give justifications for why this is the correct position to take. In other words, you should advance a thesis with some supporting arguments or evidence, as shown below.

Step 4: Advance a thesis and justification. Justifications include ‘Research shows that more equal societies work better for all’ and ‘Obligation to give no matter what is too demanding.’ The thesis is ‘We should give to charity, but it should not override all obligations.’

Notice that the first and the second justifications pull in slightly different directions. The first seems to be a straightforward endorsement of charity, while the second seems to place doubts on it. But what is doubted is only the belief that charity is the most important or binding moral commitment we have. The worry with this belief is that if charity comes above all other obligations, then it might take over our lives (like we would not be able to buy a home because there are those that need food first). Therefore, you can hold that we ought to give to charity, but add that this is not an obligation above all others. In this way, you would have firmly established a thesis whilst taking varying ideas into account.

summary
Philosophy is the pursuit of truth, not simply the gathering of facts but the careful use of reasoning, consistency, and critical reflection to discover what is truly justified. Science and philosophy differ in focus: science examines the physical world, while philosophy addresses questions about meanings, values, and goals, asking not just how things happen but why we act as we do. Philosophy within science can uncover hidden assumptions, expose the influence of expectations on perception, and even guide scientific inquiry by clarifying its methods and goals. At its core, philosophy requires balancing belief and evidence, making sure claims are supported by reasons rather than opinion alone. Distinguishing philosophical questions from nonphilosophical ones such as scientific, sociological, or religious questions helps sharpen philosophical inquiry, while the process of identifying and evaluating positions allows us to weigh the strengths and weaknesses of competing arguments carefully. Ultimately, philosophy pushes us to advance a thesis, a well-justified position that accounts for both evidence and counterarguments, showing that the pursuit of truth is a disciplined yet creative effort to clarify our beliefs and actions.

Source: This tutorial has been adapted from OpenStax “Introduction to Philosophy.” Access for free at OpenStax. License: Creative Commons Attribution 4.0 International. Additional content was adapted from Philosophical Ethics.