I know from locally stored knowledge that:
Fact 1:
Horst Köhler
is the president of
Germany
([fact: ["1160971@trueknowledge.com"]])
Fact 1
is true for
July 1st 2004 - May 31st 2010
([fact: ["1808835114@trueknowledge.com"]])
By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 1
is true at
2010
I know from locally stored knowledge that:
Fact 2:
Christian Wulff
is the president of
Germany
([fact: ["883092262@trueknowledge.com"]])
Fact 2
is true for
June 30th 2010 onwards
([fact: ["1448196230@trueknowledge.com"]])
By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 2
is true at
2010