Second Essay

Course Title: The human mind

Course Code: PHIL1002

Name of student: Peter Chau Siu Chun

Student number: 2002025602

Tutor: Dr Huen

Question attempted:

2 (c) Explain and defend your own view on freewill carefully. You need to give an explicit argument in the standard format with labelled premises and conclusion. You should also explain how your position relates to determinism, compatabilism and libertarianism.

  1.  Introduction

My view on free will, if make explicit, will be as follows:

P1: We have free will.

P2: The world is a deterministic world.

C: Therefore, compatabilism, which states that our free will can exist in a deterministic world as long as we understand free will as the bodily happening from beliefs and desires caused in the right sort of ways, will be the correct solution of the problem.

I will support my argument by trying to show that, firstly, our sense of free will is unlikely to be mistaken. Secondly, the world is determined and the libertarian’s free will, which will be referred later as the “ultimate origination” or “agency causation”, is false, so combine the two, compatabilism is true. I will also try to elaborate my own view on free will by making sense of when is the instance of exercising of our free will and what are the best criteria defining what are the actions caused in the “right sort of ways”.

2. Our sense of free will is true

        We know humans are free by common sense. If humans are not free at all, then our whole understanding of moral responsibility must be all wrong. I agree with Stace’s observation that, unless we philosophize, we invariably assume that human as free. I think this common sense is so strong that I am unable to refute this. I would not deny that I have not given any conclusive proof that free will does actually exist, I would say it is very likely to be true and it will be assumed as true in the later part of the essay.

3.1 Determinism is true

In this essay, the meaning of determinism is not “we can predict the future in every detail given all the initial conditions.” Rather, determinism will be defined as “all things happening are in accordance with the mind-independent laws of nature and the there is a causal closure”.

I believe determinism is true based on our existing knowledge of science and causation which is the assumption of science.

Chisholm argued that as our sense of causation is acquired from experience, and we first had that experience through our ability to cause movements to other objects. Therefore, he stated that immanent causation, which means that something happened not because of other external events but of the work of agent, is the basis of our sense of causation.

However, his claim is an assumption rather than a proof. Till now, we have good scientific theories to describe transeunt causation but we do not have any proof showing that immanent causation is true.

Also, it should also be noted that the uncertainty of scientific laws only exist in Planck level.  In the macroscopic scale, we can predict exactly what happen after time t given the initial conditions. Some libertarians like Kane tried to link the macroscopic psychological descriptions with the microscopic neurobiological explanations.  Of course whether his view is true is a matter of empirical science. It would be suggested with no present evidence of how quantum uncertainty can transfer to the macroscopic mechanics, his explanation is doubtful.

But even if we assume the microscopic uncertainty can be transferred upward, it does not mean that the libertarians have proved their case. The subsequent paragraphs will be responsible for showing that the uncertainty in the microscopic levels can be explained as merely random actions and a matter of probabilities.

3.2 Libertarianism’s effort to define free will in terms of neurobiological terms is unsuccessful

Kane made use of the uncertainty in the brain state when making a decision, to claim that agency chooses at that instance as he said:

“When we…decide in such circumstances, and the indeterminate efforts we are making become determinate choices, we make one set of competing reasons or motives prevail over the others then and there by deciding.”

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However by the principle of Occam’s razor, when two theories of equal explanation powers are available we shall choose the one that is simpler. It is my contention to show that the introduction of the agent-causation is arbitrary as we can explain our decisions in terms of random processes rather than the works of the agency.

The libertarians may argue that, the strong will of some great historical figures showed us that free will cannot be simply accounted by random processes.

In response I will offer a statistical approach. For simplicity the choices of any person who is exposed ...

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