[JLSblogs] [The Grice Club] Paying the Toll: Grice on Frege's Turnstile


From jlsperanza at aol.com (J. L. Speranza)
Date Tue, 20 Apr 2010 15:39:44 -0700 (PDT)

--- by J. L. Speranza
------ for the Grice Circle.

R. B. Jones writes in "Strand 5", THIS BLOG:

"[Frege's] two
strokes combine to yield the turnstile".

which, oddly, Kleene, in "Introduction to Metamathematics" yields
as '... yields...'. I was once such an anglophile that I looked, alla
Levers, for ALL Anglo-Saxon ways to say these things, and '...
yields ...' did things to me.

---

I'm never sure what a turnstile is for.

I know a horseshoe is perhaps misproperly so-called, but Anglophones
use it to indicate the ')' operator.

The Turnstile, as Jones notes combines:

?

For we have:

?p

as a well-formed sentence, but none of the primitive strokes would make
sense for Frege as just followed by "p", i.e.:

i.e:

(a)

?p

(b)

?p

----

It irritates me slightly that while Grice uses the turnstile
in "Aspects of Reason" (Clarendon, 2001), which he reads
as 'assertoric' or 'alethic', he uses:

!p

for the corresponding operator which he reads as 'practical'
or 'non-assertoric'.

But surely what we need is just ONE of the strokes being different. For
we can keep

the horizontal stroke as being shared by both 'assertoric'
and 'non-assertoric' (or boulemaic, as I prefer) utterances:

?p

So, we only need to apply a different stroke from

?

which would indicate the 'judicative' judgement, if I may be redundant.
I propose:

!?p

i.e. rather than the simpler one used by Grice,

!p.

In this way, a judgement is a judgement is a judgement.

There are TWO faculties for Kant and Grice which Frege and the Fregeans
Kant See: the judgement proper (which I think Americans spell judgment
-- how can they pronounce that?) and the 'volitive' or 'boulomaic'.
Grice uses 'volitive'.

Grice wants further to generalise to

"Accept".

What philosophers should be concerned with is "accept". And 'accept' is
something that both 'judging' and "voliting" or 'willing' are.

Chapman quotes from some archival material, which I think illustrates a
level of abstractedness I never saw in another philosopher (than Grice,
not Chapman, who teaches English at Liverpool -- I love her!)

Chapman is quoting from a manuscript by Grice misquoted by Levinson
as "Probability, Defeasibility, and Mood Operators". It's
really, "Probability, Desirability, and Mood Operators". It predates
the Kant lectures and it got into so much detail that Grice had to
leave it at that. So abstract it hurts.

Grice writes, or rather Chapman writes:

"Going further than Davidson, Grice argues that
structures expressing probability and
desirability are not merely analogous; they can
both be replaced by more complex structures
containing a common element"

----

"Generalising over attitudes using the symbol '?' (which he had used in
1967 -- repr. WoW:v)

Grice proposes:

'X ? p'

Further he uses 'i' as a dummy for subdivisions of
attitudes,

Grice uses

"Op supra i sub ?"

(Read: "Operation supra i sub alpha" -- Grice was fastidious enough to
provide 'reading' versions for these).


and where 'alpha' is a dummy taking the place of either "A" or "B",
i.e. Davidson's "prima facie" and "probably".

---

In all this, Grice keeps using the 'primitive' "!" (cited by Chapman,
p. 131) where a more detailed symbolism would have it correspond
exactly to Frege's turnstile (that Grice of course also uses, Chapman,
op. cit., same page), and for which I propose, then:

!?p

There are GENERALISING movements here but also merely SPECIFICATORY
ones. The 'alpha' is not generalising -- it's a dummy to serve
as 'blanket' for 'specifications'.

On the other hand

?

is indeed generalising.

The "i" -- is it generalising or specificatory?

It is a dummy for specifications, so it's not really 'generalising'.

----

But Grice generalises over specifications.

Thus he wants to find 'boulomaic' or 'volitive' as he prefers (I prefer
the Greek root) for both his 'protreptic' and exhibitive versions
(Operator supra A and Operator supra B):

I note that Grice (WoW:110) had used the asterisk (*) as a dummy
for 'assertoric' (Frege's turnstile) and 'nonassertoric
(the "!?" 'imperative turnstile', if you wish).

----

Operators A are NOT mood-operators, they are, in Chapman's paraphrase,
such that they "represent some degree or measure of acceptability" (or
justification).

I prefer 'acceptability' because it connects with "accept" which IS a
psychological attitude (if a general one).

Thus Grice wants to have:

ii. "It is believable that p"
i. "It is desirable that p"

as understood by the concatenation of three elements:

First, the A-type operator.

Second, the B-type operator.

Third, the proposition itself.

i and ii share the A-type operator and the proposition. They only
differ at the B-type operator.

-----

Grice uses "+" for concatenation", but it's best to use "^", just to
echo who knows who.

----

Grice spoke in that mimeo (which he delivered in Texas, and is known as
Grice's "Performadillo" talk -- Armadillo + Performative) of various
things.

("We regret that due to technical problems, Grice's paper will not be
published in the proceedings", the introduction of this expensive thing
I ordered read).

He spoke, transparently enough, of

V-acceptance

and

J-acceptance

"V" not for "Victory" but for 'volitional', and J for judicative. The
fact that both end with "-acceptance" would accept you to believe that
both ARE forms of 'acceptance'.

----

In "Probability, Desirability, and Mood Operators" Grice irritatingly
uses "1" to mean belief, and "2" to mean 'desire'.

But two years later, in 1975, "Method", he defines '1' in terms of '2'
(and CARES NOT to do otherwise -- i.e. define 2 in terms of 1). So
whenever he wrote '1' in 1973, read 2, and vice versa.

---

(Chapman omits this arithmetic when she merely reports on Grice's use,
on p. 131).

---

Chapman notes that Grice uses further numerals:

3 and 4.

These, Chapman deciphers -- I find her as an archeologist in
Tutankamon's burial ground --: as

"relexive" attitudes.

In Chapman's paraphrase:

"3" i.e.

?3 ------ (where we need the GENERAL operator, "psi", not just
specificatory dummy, butd the idea that we ACCEPT something).

?3 --- Chapman writes: "is concerned with an attitude of V-accepting
towards J-accepting [p] or J-accepting [~p]"

why we should be concerned with "~p" is something to consider.

In Chapman's paraphrase:

"x wants to decide whether to believe p or not".

I find that very Gricean. Suppose I am told that there is a Volcano in
Iceland. Why would I NOT want to believe it?

It seems that one wants to decide whether to believe p or not when "p"
involves a tacit appeal to 'value'. But Grice will note that even when
it does not thus involve, we still need trust and volition reigns
supreme.

---

On the other hand there's

4

or more formally

?4

This is "concerned", Chapman paraphrases, "with an attitude of
V-accepting towards either x V-accepts [p] or x V-accepts [~p]".

i.e. again in Chapman's paraphrase:

"x wants to decide whether to will p or not".

This indeed IS CRUCIAL, for as Judith Baker notes (in PGRICE), for
Grice, morality does cash in DESIRE.

Grice smoked.
He willed to smoke.
But did he will to will to smoke?
Possibly yes.
Did he will to will to will to smoke?

---

Regardless of what he willed, I claim this holds for serious
imperatives (not "You shalt not smoke", but "Though shalt not kill",
say) or for any "p" if you must (because if you KNOW that 'p' causes
cancer ('p' stands for cigarette, not for proposition) you should know
you are killing yourself -- but then Time also kills us, so what
gives?).

----

So I would submit that for Kant, the categorial imperative is one which
allows for an indefinite chain (not of smokers) but of good-willers:

If, for some p, we find that at some stage, we will NOT to will that we
will that we will that...', then 'p' can NOT be universalisable. I
proposed that in an essay referred to in "The Philosopher's Index" but
Marlboro took no notice.

----

Chapman goes on to note Grice's obsession on 'make believe'.

If I say, I utter x because U wants A to believe that U believes that
p, there's

U

and

A.

I.e. there are TWO people here -- or things -- for my cat means things
to me (he even implicates: the other day he miaowed to me while I was
in bed -- He utterered 'miaow'. He meant that he was hungry, he meant
(via implicature) that he wanted food (as provided by me). On another
occasion he miaowed explicating, "The door is closed", and
implicating "Open it, idiot".

---

On the other hand, today's Andy-Capp's cartoon read:

"When budgies get sarcastic". ("Wild-life programmes are repeating).

---

Chapman then notes that

one can want some other person to hold an attitude.

---

Grice is using "x" for U, and "y" for A.

--- of course, U and A are mere ROLES. The important formalism is
indeed x and y.

x is one person.
y is the OTHER person.

(Grice disliked menages a trois, apparently, for he never symbolised
a 'third' party, z).

----

So,

"X psi supra 3 sub A [p]" is true

just in case

"X psi supra 2 [x psi supra 1 [p] or x psi supra 1 [~p]"

is true.

----

And -- here 'y' features:

"x ?? sub B [p]" is true

just in case

"x V-accepts (??) [y V-accepts (??) [x J-accept (?1) [p] or x J-accept
(?1) [~p]]]"

is true.

Grice ssems to be happy with having reach "four sets of operators,"
Chapman sums it up, "corresponding to four sets of propositional
attitudes," and for which Grice provides the paraphrases:

i. [doxastic] proper.
They are what Grice calls 'judicative', and which are
either "indicative" or "informative" (if addressed to 'y' which is
different from 'x' -- for surely one cannot inform oneself).

ii. [boulomaic] proper
What Grice dubs 'volitive' (but I prefer the Greek root].
These are either self-addressed and they are "Intentional" (or 'is'
intentional, if you want to stick with the singular), or
other-addressed and they are "Imperative" (for surely one cannot say to
oneself, "Don't smoke, idiot!"

iii. doxastic-interrogative (how we create "?" here is minimal compared
to the vagaries of what I called the

"!?" (non-assertoric or 'boulomaic' turnstile).

---

and which I propose to symbolise by

??p

where "??" stands for the 'erotetic turnstile'. "Erotetic" somehow
Grice ignored, as he seems to prefer the latinate "interrogative" at
this point ("Surely more people know what 'interrogative' means than
what 'erotetic' means", he would not say -- but he would).

These 3-types come in two varieties: self-addressed, 'reflective'
("Should I go?") and again, 'imperative' ("Should YOU go?" -- with a
strong hint that I'm expecting you to make up your mind in the
proceeding, not just inform me).

----

iv. (Last but not Least): "volitive" or boulomaic cum erotetic. Here
the varieties are again reflective (or autophoric, as I prefer)
and 'inquisitive' (for which I'll think of a Greek pantomime).

Grice regreted that Greek (and Latin, of which he had "less" -- cfr.
Shakespeare who had none) "fares better" in this respect than English.

Ode on a Gricean urn, indeed!

--
Posted By J. L. Speranza to The Grice Club at 4/20/2010 02:04:00 PM
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