[Originally posted April 2010, but has been reworked a couple of times. The original (with some comments) is at http://therealtruthproject.blogspot.com/2010/04/practical-epistemology.html]
Wikipedia defines epistemology as "the branch of philosophy concerned with the nature and scope of knowledge".
Traditionally it has led to questions like whether we can really know
anything, and discussing the qualities of different kinds of knowledge
like logical or mathematical knowledge.
How much attention has
been paid, however, to the question "Who can I trust?" -- perhaps far and
away the most important epistemological question that anyone can ask.
Why? Because nearly every bit of knowledge you use to live your life
came from some source that you decided to trust.
What does epistemology, the relevant academic discipline, have to say about how we decide who to trust? When I go to Google and pair the word "epistemology" with any of the phrases "who do you trust", "who can you trust", and "who can I trust", the number of "hits" is about 100 for the 1st 2 cases, and 28 for the third. Those who have done more than a few Google
searches will recognize how small these numbers are. E.g. if I pair
"baseball" with "Who can I trust", I get not not 28 but about 1060 hits.
For "music" and "who can I trust", I get 23,300 hits. Is it just that
the web has so few references to epistemology? Not really. If I pair
"epistemology" with "literary theory" I get 148,000 hits; with "epistemology" and "scientific investigation", I get 25,000 hits; with "mathematics", 1,890,000 hits; with "feminism", 475,000 hits. [Note: this was all true in 4/2010. Google has since changed so that different people may get radically different things when searching on the same words - see The Filter Bubble: What the Internet Is Hiding from You
for more on this].
So
it seems as if I must be either very original, or perhaps very
wrongheaded to want to associate the question "Who can I trust" with
"epistemology". Yet if I want a true answer to questions like "What
needs to be done to make my car run well, and what will it cost?" or
"Could this funny looking mole turn into skin cancer?" or "Does this
house I'm about to buy have a serious radon problem, or termite
infestation?", for the most part I answer these questions by first
asking who I can trust to answer them for me -- and in most cases, I'll
only ever have at most a superficial idea how the "experts" arrived at
their conclusions. So why has epistemology failed to look in that
direction?
For a couple of reasons, I think. First, modern
philosophy was born out of a reaction to misplaced trust, faith, or
dogma. The Church, and especially the Roman Catholic Church, had set
itself up as the arbiter of truth. If Galileo said he "saw" moons
circling Jupiter, or spots on the Sun, the Bible and/or Aristotle, and
their medieval interpretors said no, this was impossible -- and it was dangerous to allow people to claim otherwise.
Then there is the nature of philosophical proof, or demonstration. You
have to go through it step by step, and "see" that the first statement
implies the second, and so forth, more or less the same way that one can
"see" that 2+2=4, or that if A is bigger than B and B is bigger than C,
then A is bigger than C. The "demonstration" may have been written on
paper by me or by Professor so-and-so, but the implicit premise of such
demonstrations is that if it is a valid demonstration, and you are a
qualified (at a minimum, "sane") person, it will work when run through
your mind.
Philosophical argument is supposed to be complete in itself. Statements like "Just check X's credentials and you'll see you can trust him" have no place in philosophical reasoning. A philosopher may, like anyone else, think "I should read Dr. S's book because Frank, whom I highly respect, recommends him",
or "I'm not going to read this book which claims to be philosophy
because the author has no credentials" -- but such decisions are not
justified on philosophical grounds, and yet that is just the sort of
decision that plays the greatest role in most people's search for the
truth, or in particular, for knowledge that directs their actions.
In
the process of deciding which doctor I should trust my life to, is
there anything that is not subject to doubt? Mr. Smith had a very good
outcome with Dr. X, and raves about him, but could Smith just have been
lucky? Dr. Y highly recommends Dr. X but mightn't that be due to a
close friendship? We may feel that we can "for practical purposes" get
around such difficulties, but we cannot prove with philosophical rigor
that we made the right choice.
But during the Renaissance and Enlightenment, many people
realized there was such an accumulation of misplaced trust, and
authorities whose claims were clearly contradicted by the natural world,
that it was essential to view arguments on their own internal merit, or
based on experiment ("empiricism").
The last few decades have seen a growing consciousness of knowledge
as a social phenomenon. This has, at times, taken on an
anti-Enlightenment tone, in the academic world as "postmodernism", and
elsewhere as good old anti-intellectualism. In very recent times, we
have seen a new discipline called "Social Epistemology",
which addresses some of the questions I've raised here (I've only just
learned about it, 18 months after writing the original version of this
post). It seems to be split into two factions, one of which seems too
close to postmodernism and relativism, but the other, led
by Alvin Goldman, looks appealing to me as it purportedly "defends the integrity of truth and shows how to promote it by
well-designed forms of social interaction. From science to education,
from law to democracy, he shows why and how public institutions should
seek knowledge-enhancing practices." **
I do believe we have a need for "knowledge enhancing practices", not to
be implemented in some top down fashion, but I believe in the gentler
spirit of Amartya Sen and Gene Sharp. If this last statement makes any sense to you at all, I hope you will write a comment.
** Quote taken from Amazon page for this book:
Monday, September 3, 2012
Practical Epistemology Recycled
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