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

The current time is April 23rd 2014, 22:33:47

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

pound
is the second parameter of
1,257 pounds

I know from locally stored knowledge that:

Fact 1:
1
is the multiplier that converts
pound and pound
([fact: ["684486548@trueknowledge.com"]])

Fact 1
is true for
all time
([fact: ["1050414446@trueknowledge.com"]])

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

Fact 1
is true at
April 23rd 2014, 22:33:47

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

1,257
is the first parameter of
1,257 pounds

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

1,257
is the product of
1 and 1,257

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

mass
is the class of the parametered object
1,257 pounds

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

1,257 pounds
is the parametered object corresponding to
mass and 1,257 and pound

By calculation (generator: ["equivalent_to6@trueknowledge.com"]) I know that:

Fact 2:
1,257 pounds
is equivalent to
1,257 pounds

Fact 2
is true at
April 23rd 2014, 22:33:47

Fact 2:
pound
is the unit used in
1,257 pounds