BRACERS Record Detail for 125384
To access the original letter, email the Russell Archives.
Collection code
RA1
Class no.
750
Document no.
00000010
Box no.
11.15
Recipient(s)
Bonyun, David A.
Sender(s)
BR
Date
1959/10/28
Form of letter
ALD
Pieces
1
BR's address code (if sender)
PP
Notes and topics
In Principia's second edition BR adopted "an entirely extensional view and therefore considered that two class-concepts which have the same extension are identical. But I am no longer satisfied with this view and am not clear as to what to put in its place."
Record no.
125384
Record created
Dec 04, 2014
Record last modified
Mar 16, 2015
Created/last modified by
duncana
