Hypothesis Evaluation

class(A,reptile):- eggs(A).

class(A,bird):- eggs(A).

class(A,fish):- eggs(A).

=2

=1

=2

• Max. 2 SQL executions
  • Negative example never change

SELECT

COUNT ( DISTINCT T1.name), T1.class

FROM animal T1

WHERE T1.eggs = ‘yes’ //condition

GROUP BY T1.class

( HAVING

COUNT ( DISTINCT T1.name) > MIN )

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