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Exercise relationalgebra.cnf
Description
To conjunctive normal form
s~ \/ (s /\ s-)~
ready: yes
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Path 1
path
[0, 0, 7, 0, 0]
steps
5
major rules
1
active labels
tocnf
enter tocnf
,
enter step1
,
relationalgebra.invoverunion
,
exit step1
,
enter step1