By calculation (generator: ["now@trueknowledge.com"]) I know that:

The current time is August 1st 2014, 11:51:59

I know from locally stored knowledge that:

-273.15
is the lowest point on the scale of
degree celsius
([fact: ["127439413@trueknowledge.com"]])

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

degree celsius
is strictly equal to
degree celsius

By calculation (generator: ["multiplier_that_converts4@trueknowledge.com"]) I know that:

Fact 1:
1
is the multiplier that converts
degree celsius and degree celsius

Fact 1
is true for
all time

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:

Fact 1
is true at
August 1st 2014, 11:51:59

By calculation (generator: ["difference@trueknowledge.com"]) I know that:

523.15
is the difference of
250 and -273.15

By calculation (generator: ["product@trueknowledge.com"]) I know that:

523.15
is the product of
1 and 523.15

By calculation (generator: ["sum@trueknowledge.com"]) I know that:

250.0
is the sum of
523.15 and -273.15

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

250.0 degrees celsius
is strictly equal to
250.0 degrees celsius

By calculation (generator: ["equivalent_to@trueknowledge.com"]) I know that:

Fact 2:
250.0 degrees celsius
is equivalent to
250 degrees celsius

Fact 2
is true at
August 1st 2014, 11:51:59

Fact 2:
degree celsius
is the unit used in
250.0 degrees celsius