<s>
Attributional	B-General_Concept
calculus	I-General_Concept
is	O
a	O
logic	O
and	O
representation	O
system	O
defined	O
by	O
Ryszard	O
S	O
.	O
Michalski	O
.	O
</s>
<s>
Attributional	B-General_Concept
calculus	I-General_Concept
provides	O
a	O
formal	O
language	O
for	O
natural	O
induction	O
,	O
which	O
is	O
an	O
inductive	O
learning	O
process	O
whose	O
outcomes	O
are	O
in	O
human-readable	O
forms	O
.	O
</s>
