p1. 
   Abstract-- The work




p.2
qustioning."
The accurate form of the question... 


p3 
... punishments applied."
In order to spped up learning...


p4
{\it Natural organisms are, ... }
=> noindent


p4 
remarked prophetically:
{\it This new system of ...}

p7 

probabioity of success or distribution of the samples.
More precisely:
Algorithm A PAC-identifies