2

C. S. PERICE'S LOGIC NOTEBOOK 2

27r Induction.... follows]
27v S S' S".... P.

28r Some S S' S".... &c.
28V (in pencil) Apr 15 / Every.... (in ink) Apr. 16.... P
29r M is P. ... P
29v May 20 / Any.... all)
30r 1867 September 2h.... shadow
30v of.... pre-
31r liminary.... which
31v 1867 Sep 26.... consequences.--
32r 1867 Sep 27.... here
32v such.... nothing.
33r Sep. 28 / To.... predicate.
33v To.... cases.
34r On Logical Extension and Comprehension.... comprehensive
34v blank
35r than.... essential
35v extension.... terms.
36r Oct 2. / There.... an ex-
36v All M.... subject
37r tension.... P
37v blank
38r Ah I think I have it now.... extension.
38v blank
39r We may.... existence
39v blank
40r Oct 2. / §2. 0f the Effect of a Change of Information.... not P
40v blank
41r 1867 Nov. 2h.... representation
41v blank
42r 1867 Dec. 7.... Very true.
42v blank
43r When.... object. (All in pencil)
43v blank
44r and.... points.
44v Our.... that is if (followed by three lines of formulas)
45r We may.... nothing '
45v It would.... =, ln, x
46r In short... . over
46v or still.... analoguous (CSP here corrected "analogue" to "analogous")
47r For example.... something.
47v I see.... =, 0
48r Syllogism.... =, 0
48v Return.... This will never never do --
49r A1 =, B1{ (followed by five lines of formulas)
49v a1 =, a (followed by eight lines of formulas plus others to the side)
50r 1868 Nov. 3.... Turn over.
50v lx denotes.... (various formulas)
51r lx denotes.... =, 1 - (lx +, ly)
51v 1868 Nov. 8.... (various formulas)

44r,v = 51A
45r,v = 51B
a5r,v = 51C