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CONTENTS
3   THE COMPONENTS OF PERSONHOOD
My next conjecture is that the diagram below shows some necessary features
of being a person. That is to say, this framework may not capture everything
there is about personhood, but at least these features must be present.
The choice of words here, especially at the second level, is approximate.
The words "consciousness" and "free will" point towards two of the most
difficult problems in philosophy. Regardless of the actual words used,
the left hand side is about knowing about things while the right
hand side is about wanting to do things. The assertion entailed
in the first split is that to be a person we must have both the knowing
and the wanting components.
At the third level the components are split in two again. To explain
what I mean in each case, and why I think these components are logically
independent of each other, let me discuss each in turn.
CONCEPTUAL THOUGHT
As human beings we can not merely communicate with each other, we can
do so using language. The distinctive features of language make up an
important component of our personhood. Other higher animals can know things
and to a limited extent can pass this knowledge on to others of their
kind. In addition we have the power to understand things. In practice
this gives us the following cognitive advantages.
- By using conceptual frameworks we can extend our knowledge indefinitely.
A dog can know things that dogs are programmed to be capable of knowing:
the presence of objects in the worlds of sight, sound, touch and scent,
what is good for dogs to eat, what the emotional state of other dogs
is like and how it is appropriate to behave towards them. We on the
other hand can extend our knowledge in all directions: the workings
of the solar system, the properties of numbers, the principles of relativity
and even (perhaps) the nature of personhood and morality. We were not
programmed directly to understand these things, but rather we were programmed
to have the means of writing the necessary programs, namely conceptual
language.
- Language (probably) evolved in the first instance as an enhanced mechanism
of talking to each other. But as a by-product, it enables us to talk
to ourselves. Once articulated in conceptual terms, pieces of knowledge
can interact with each other, and through logical entailment generate
other pieces of knowledge. Language can also be used to formulate questions,
the starting point for directed searches for new knowledge.
- Language is an efficient way of storing and transferring knowledge.
It enables us to develop knowledge as a collective, cultural item, thereby
breaking through the limitations of the ridiculously small spatial and
temporal extents bequeathed to us by our biological origins.
SELF-AWARENESS
One particular item of knowledge which is crucial for personhood is the
knowledge each of us has of our own being as a person. One could imagine
some super-computer of the future which had been programmed to use language
(not one of our crude natural languages of course, but a proper Fregean
Begriffsschrift), and had been given the means of knowing about
certain parts of the world, but not about itself. It could discourse learnedly
about, say, quantum mechanics, but when asked about itself could make
no sense of the question. This defect would prevent its being said to
be a person.
The expression of this knowledge of self using conceptually articulated
language changes the way we are. Language is in the first instance designed
for talking about the objective world beyond the self. Reference to this
world reflects the way the world is, but does not change it. The truths
about the world are independent of what is known or said about them. However
the mechanisms of language can be recycled for reflexive use, to express
facts about our experiences of self. Using an objective-reference machine
in this way has the effect of distancing ourselves from our experience
of self, of introducing an objective flavour to what is primarily subjective.
By talking to ourselves about ourselves we are able to stand back from
our subjective being and think about it, comment on it, criticise it.
It is like looking at our reflection in a mirror, except that with language
the reflection is no mere depiction, but contains conceptual articulation.
This means we can combine and contrast different parts of our experience,
and follow through their logical entailments. We can explore other possible
worlds, and decide which of them might be preferable to the actual world,
and think about how we might change things for the better.
Once we have the description of ourselves written down, we have the
possibility of reading this description, evaluating it, and if we desire,
rewriting it. We have the power of reflexive self-invention and re-invention.
I am not saying this is easy. The inarticulate grounding of our mental
being is a powerful force, and it is difficult to push against it. The
astonishing thing is that, through the faculty of conceptualised self-awareness,
we have at least the possibility of self re-invention. This is something
even the higher animals lack. Even they are largely creatures of their
nature, driven by behavioural programs written by their genes. In more
advanced animals the behavioural programs contain more and more facilities
for writing additional subroutines through learning, enhancing the behaviour
in different ways. But the core program remains the same, driven by the
underlying biological imperatives of the genes. With us however, the potential
for rewriting diverges - everything is in principle available for critical
scrutiny and improvement.
Because of this we no longer have a fixed nature: the only constant
feature, the meta-nature if you like is that we can reinvent ourselves.
This reveals the literal truth behind the apparent paradox:
    P1. It is the nature of a person not
to have a nature.
We obtained this facility through the natural processes of biological
evolution. And yet this very facility subverts the whole idea of "having
a nature", that is, of there being a fixed underlying framework of efficient
causation of which all historical processes are a reflection. This explanatory
framework works perfectly well in physics (the subject which takes its
name from the Greek word for "nature"). Darwin and his successors showed
us how biological nature works - a different dynamic, with overtones of
the teleological about it, but an efficient dynamic nonetheless.
There are therefore two quite different modes of relating language to
the world. The "normal" mode deals with the objective world - in its most
highly developed form this becomes the "scientific mode". (Despite the
propaganda of the proponents of its "official" interpretation, quantum
mechanics by no means necessarily entails the breakdown of the barrier
between knowing and the known.) I claim here that the scientific mode
of discourse and research is inappropriate for the understanding of personhood.
It must be replaced by the "literary mode", the telling and retelling
of stories, the continual recursion of texts commenting on other texts,
with the result that our being becomes less and less a product of our
genes, and more and more a product of the texts - including, ironically,
all those texts which tell us how we are products of our genes. (We are
of course products of our genes, but along with all the normal biological
baggage, human genes give us the wherewithal to over-rule them.)
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