I know from locally stored knowledge that:
Fact 1:
Johannes Rau
is the president of
Germany
([fact: ["1160958@trueknowledge.com"]])
Fact 1
is true for
July 1st 1999 - June 30th 2004
([fact: ["1161013@trueknowledge.com"]])
By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 1
is true at
1999
I know from locally stored knowledge that:
Fact 2:
Roman Herzog
is the president of
Germany
([fact: ["666936652@trueknowledge.com"]])
Fact 2
is true for
July 1st 1994 - June 30th 1999
([fact: ["1018573474@trueknowledge.com"]])
By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 2
is true at
1999